All Calculators

The complete CalcuTool collection — 499 calculators across 12 categories.

50/30/20 Budget CalculatorSplit your monthly income into needs (50%), wants (30%), and savings (20%) using the popular 50/30/20 budgeting rule.Absolute Return CalculatorCalculate the absolute return percentage on an investment, without annualizing for time held.Absolute Value CalculatorCalculate the absolute value of a number — its distance from zero, always expressed as a non-negative value.Acceleration ConverterConvert acceleration between meters per second squared, feet per second squared, and standard gravity (g).Add Days to Date CalculatorAdd a number of days to a date to find the resulting calendar date and day of the week.Advance Tax CalculatorCalculate your advance tax installment schedule — the amounts due by June 15, September 15, December 15, and March 15.Age CalculatorCalculate exact age in years, months, and days between a birth date and any reference date, using calendar-accurate date arithmetic.Aggregate CalculatorCalculate the volume and weight of coarse aggregate needed for a given volume of concrete and mix ratio.Angle Unit ConverterConvert an angle between degrees, radians, gradians, revolutions, arcminutes, and arcseconds.Annual Percentage Yield CalculatorConvert a nominal interest rate and compounding frequency into its effective annual yield (APY).Annuity CalculatorCalculate the future value of a series of regular monthly investments (an ordinary annuity) at a given rate of return.Annuity Payout CalculatorCalculate the fixed monthly payout you can draw from a lump sum corpus over a chosen number of years.APR CalculatorCalculate the true annual percentage rate (APR) of a loan, factoring in processing fees on top of the nominal interest rate.Area CalculatorCalculate the area of a circle, rectangle, square, or triangle — pick a shape and enter its dimensions.Area ConverterConvert an area between metric and imperial/land units — square meters, hectares, square kilometers, acres, square feet, square yards, square miles, and more.Arithmetic Mean CalculatorCalculate the arithmetic mean, sum, and other basic statistics for a list of numbers.Arithmetic Sequence CalculatorCalculate any term and the sum of the first n terms of an arithmetic sequence — a sequence where each term increases (or decreases) by the same fixed amount.Army Body Fat CalculatorEstimate body fat percentage using the circumference (tape measurement) method used in military body composition assessments.Asphalt CalculatorCalculate the volume and weight of asphalt needed to pave an area at a given thickness.Atal Pension Yojana CalculatorCalculate the exact monthly contribution required under the Atal Pension Yojana (APY) to receive your desired guaranteed monthly pension from age 60, based on the official PFRDA chart.Attendance CalculatorCalculate your current attendance percentage and how many of your remaining classes you need to attend to hit your required attendance by the end of the term.Average CalculatorCalculate the average (mean), sum, and other basic statistics for a list of numbers.Average Return CalculatorCalculate the average (arithmetic mean) return across a series of periodic investment returns.Ayushman Bharat Eligibility CheckerCheck whether you're likely eligible for Ayushman Bharat PM-JAY's ₹5 lakh/family/year health cover, based on age and SECC-2011 deprivation criteria.Baby Age CalculatorCalculate your baby's exact age in years, months, weeks, and days from their date of birth.Baby Weight Gain CalculatorTrack your baby's average weight gain rate since birth, in grams per week and per day.Bandwidth CalculatorCalculate the network speed you need to transfer a file of a given size within a target time.Bandwidth ConverterConvert network bandwidth between bits per second, kbps, Mbps, Gbps, and their bytes-per- second equivalents.Basal Metabolic Rate CalculatorCalculate your basal metabolic rate — the calories your body burns at complete rest — using the Mifflin-St Jeor equation.Base64 Encode Decode ToolEncode text to Base64, or decode Base64 back to plain text.Basic Math CalculatorAdd, subtract, multiply, or divide two numbers.Beam Load CalculatorCalculate the maximum bending moment, shear, and deflection for a simply-supported beam under a uniformly distributed load.Big Number CalculatorAdd, subtract, multiply, or divide two very large whole numbers exactly, beyond normal floating-point precision.Bike Loan CalculatorCalculate the monthly EMI, total interest, and total repayment for a two-wheeler (bike or scooter) loan based on the loan amount, interest rate, and tenure you enter.Bike Loan EMI CalculatorCalculate the monthly EMI, total interest, and total repayment for a two-wheeler loan.Binary CalculatorConvert a number between binary and decimal, in either direction.Binary ConverterConvert a number between binary and decimal, in either direction.Binary to Decimal CalculatorConvert a binary (base 2) number to decimal (base 10).Birthday Countdown CalculatorFind how many days remain until your next birthday, and what age you'll be turning.Block CalculatorCalculate the number of concrete or AAC blocks and mortar volume needed for a wall.BMI CalculatorCalculate your Body Mass Index (BMI) from your weight and height, and see which BMI category you fall into using WHO Asia-Pacific classification cutoffs.BMI Prime CalculatorCalculate your BMI Prime — the ratio of your BMI to the upper limit of the normal BMI range (25) — from your weight and height.BMR CalculatorEstimate your Basal Metabolic Rate (BMR) — the calories your body burns at rest — using the Mifflin-St Jeor equation, based on your weight, height, age, and sex.Board Foot CalculatorCalculate the board footage of a piece of lumber, or a quantity of identical pieces.Body Fat CalculatorEstimate your body fat percentage using the U.S. Navy circumference (tape measurement) method, from your height, neck, waist, and (for women) hip measurements.Body Surface Area CalculatorCalculate your body surface area (BSA) using the Du Bois formula, based on your weight and height.Body Type CalculatorGet a quick body type (somatotype) estimate — Ectomorph, Mesomorph, or Endomorph — from your height and wrist circumference.Bonus CalculatorCalculate your statutory bonus under the Payment of Bonus Act, based on your basic salary and the applicable bonus percentage.Bra Size CalculatorCalculate your bra size (band and cup) from your underbust and bust measurements.Break-Even CalculatorCalculate the number of units and revenue needed to break even, given your fixed costs, price per unit, and variable cost per unit.Brick CalculatorCalculate the number of bricks and mortar volume needed for a wall, given the brick size and mortar joint thickness.Broadcast Address CalculatorFind the broadcast address for any IP address and CIDR prefix length.Budget CalculatorCalculate your monthly surplus and savings rate from your income and expenses.Business Days CalculatorCount the number of weekdays (Monday to Friday) between two dates, inclusive of both endpoints.Business Loan CalculatorCalculate the monthly EMI, total interest, and total repayment for a business loan based on the loan amount, interest rate, and tenure you enter.CAGR CalculatorCalculate the Compound Annual Growth Rate (CAGR) of an investment given its initial value, final value, and the number of years held.Calorie CalculatorEstimate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor equation, based on your weight, height, age, sex, and activity level.Calorie Deficit CalculatorFind your daily calorie target for weight loss, based on your maintenance calories and desired weekly rate of weight loss.Calorie Maintenance CalculatorFind your maintenance calories — the daily calorie intake that keeps your weight stable — based on your weight, height, age, sex, and activity level.Calorie Surplus CalculatorFind your daily calorie target for weight or muscle gain, based on your maintenance calories and desired weekly rate of weight gain.Calories Burned CalculatorEstimate calories burned during an activity using the standard MET (Metabolic Equivalent of Task) formula, based on your weight and duration.Capacitance ConverterConvert capacitance between farads, millifarads, microfarads, nanofarads, and picofarads.Capital Gains Tax CalculatorCalculate capital gains tax on the sale of equity or other assets, based on holding period and current tax rules.Car Depreciation CalculatorEstimate your car's current value after a given number of years, using a declining-balance depreciation rate.Car Insurance Premium EstimatorGet a rough estimate of your car's own-damage insurance premium based on its Insured Declared Value (IDV), No-Claim Bonus, and add-on covers.Car Loan CalculatorCalculate the monthly EMI, total interest, and total repayment for a new or used car loan based on the loan amount, interest rate, and tenure you enter.Car Loan EMI CalculatorCalculate the monthly EMI, total interest, and total repayment for a car loan.Carbohydrate Intake CalculatorEstimate your daily carbohydrate intake in grams from your calorie target and the percentage of calories you want from carbs.Celsius Fahrenheit ConverterConvert a temperature between Celsius and Fahrenheit, in either direction.Cement CalculatorCalculate the number of cement bags needed for a given volume of concrete and mix ratio.Central Government DA CalculatorCalculate the Dearness Allowance (DA) amount for a central government employee, based on basic pay and the current DA rate.Central Government Gratuity CalculatorCalculate the retirement gratuity for a central government employee under the CCS (Pension) Rules, based on last drawn basic+DA and years of qualifying service.Central Government HRA CalculatorCalculate the House Rent Allowance (HRA) for a central government employee, based on basic pay, city classification, and the current DA rate.Central Government Salary CalculatorEstimate the gross monthly salary of a central government employee under the 7th Pay Commission, including DA, HRA, and transport allowance.CGPA CalculatorCalculate your CGPA (Cumulative Grade Point Average) across all completed semesters, weighted by each semester's credit load.CGPA to Percentage CalculatorConvert your CGPA (on a 10-point scale) to an equivalent percentage, using your university's conversion multiplier.CIDR CalculatorCalculate the full subnet breakdown — network address, broadcast address, mask, and usable host range — from an IP address and CIDR prefix length.Circle CalculatorCalculate the area, circumference, and diameter of a circle from its radius.College Cost CalculatorProject the total cost of a multi-year college program, accounting for annual education cost inflation.Combination CalculatorCalculate the number of combinations (nCr) — the number of ways to choose r items from a set of n items, where order doesn't matter.Commission CalculatorCalculate the commission amount and net amount for a sale, given the sale amount and commission percentage.Complex Number CalculatorAdd, subtract, multiply, or divide two complex numbers.Complex Number Polar Form CalculatorConvert a complex number between rectangular (a + bi) and polar (r∠θ) form.Compound Growth CalculatorCalculate the final value of a quantity compounding at a fixed rate over a number of periods.Compound Interest CalculatorCalculate the maturity amount and total interest earned on a lump sum investment with compound interest, for any compounding frequency (annual, semi-annual, quarterly, monthly, or daily).Concentration ConverterConvert mass concentration between g/L, mg/L, mg/mL, µg/mL, kg/m³, and %(w/v).Conception CalculatorEstimate your conception date from the first day of your last menstrual period.Concrete CalculatorEstimate the volume of concrete, number of cement bags, sand, and aggregate needed for a slab, footing, or column based on its dimensions and mix ratio.Concrete Column CalculatorCalculate the concrete volume and material quantities needed for a number of rectangular columns.Concrete Footing CalculatorCalculate the concrete volume and material quantities needed for a number of rectangular footings.Concrete Slab CalculatorCalculate the concrete volume and cement/sand/aggregate quantities needed for a flat slab.Concrete Volume CalculatorCalculate the volume of concrete needed for any rectangular pour — no mix ratio or cost breakdown, just the volume.Confidence Interval CalculatorCalculate a confidence interval for a sample mean, given the sample's standard deviation and size.Conversion CalculatorConvert length measurements between metric and imperial units — millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.Cooking Unit ConverterConvert common recipe measurements — cups, tablespoons, teaspoons, milliliters, and fluid ounces — for scaling recipes up or down.Cosine CalculatorCalculate the cosine of an angle, in degrees or radians.Cost Per Unit CalculatorCalculate your total production cost and cost per unit from fixed costs, variable cost per unit, and units produced.Countdown CalculatorCount the days remaining until a target date, or how many days have passed if it's already happened.Credit Card EMI CalculatorCalculate the EMI for converting a credit card purchase into equal monthly installments.Credit Card Interest CalculatorCalculate the monthly interest charge on your credit card's outstanding balance.Credit Card Minimum Payment CalculatorCalculate the minimum payment due on your credit card, based on your issuer's minimum percentage and floor amount.Credit Card Payoff CalculatorFind out how long it will take to pay off your credit card balance with a fixed monthly payment.CTC to In-Hand Salary CalculatorEstimate your monthly and annual in-hand salary from your CTC (Cost to Company), after typical PF, professional tax, and income tax deductions.Cube Root CalculatorCalculate the cube root of any number, positive or negative.Cycling Calories CalculatorEstimate calories burned while cycling, based on your weight and cycling duration.Daily Compound Interest CalculatorCalculate how your money grows with daily compounding interest.Data Storage ConverterConvert a data size between bits, bytes, kilobytes, megabytes, gigabytes, and terabytes.Data Transfer CalculatorCalculate the time to transfer any amount of data at a given network or connection speed.Data Transfer Rate ConverterConvert a data transfer rate between bits per second, kbps, Mbps, Gbps, and their bytes-per- second equivalents.Date CalculatorAdd or subtract a number of days from a date to find the resulting calendar date and day of the week.Date Difference CalculatorFind the exact difference between two dates in years, months, and days, using calendar-accurate arithmetic.Day CounterCount the number of days since (or until) a date — useful for tracking streaks, milestones, or how long something has been going on.Day of the Week CalculatorFind what day of the week any date falls on — past, present, or future.Days Between Dates CalculatorCount the number of days between two dates, with an option to include the end date.Days in Month CalculatorFind how many days are in any month of any year, plus which day of the week it starts and ends on.Debt Avalanche CalculatorSimulate paying off multiple debts using the debt avalanche method — highest interest rate first — to minimize total interest paid.Debt Consolidation CalculatorSee how much you could save each month by consolidating multiple debts into a single new loan at one interest rate.Debt Payoff CalculatorFind out how long it will take to pay off any debt with a fixed monthly payment.Debt Snowball CalculatorSimulate paying off multiple debts using the debt snowball method — smallest balance first — to see how long it takes and how much interest you'll pay.Debt-to-Income Ratio CalculatorCalculate your debt-to-income (DTI) ratio and see how lenders are likely to view your current debt load.Decimal Hours CalculatorConvert between decimal hours (like 7.5) and H:MM time format (like 7:30), in either direction — just enter either format and it auto-detects which one you used.Decimal to Binary CalculatorConvert a decimal (base 10) number to binary (base 2).Decimal to Fraction CalculatorConvert a decimal number to a fraction in lowest terms.Decimal to Hex CalculatorConvert a decimal (base 10) number to hexadecimal (base 16).Deck CalculatorCalculate the deck area and the number/length of deck boards needed, given the board width and gap.Degree Radian ConverterConvert an angle between degrees and radians, in either direction.Density ConverterConvert density between kg/m³, g/cm³, lb/ft³, and lb/in³.Diesel vs Petrol Cost CalculatorCompare the monthly and annual fuel cost of a diesel vehicle against a petrol vehicle for your driving distance.Discount CalculatorCalculate the discount amount and final price after applying a percentage discount to an original price.Distance ConverterConvert a distance between metric and imperial units — millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.Distance to Steps CalculatorConvert a distance into an estimated step count, based on your stride length.Dividend Tax CalculatorCalculate the tax payable on dividend income, taxed at your marginal income tax slab rate.Download Time CalculatorCalculate how long a download will take, given the file size and your connection speed.Driveway CalculatorCalculate the concrete volume needed for a driveway slab.Driving Time CalculatorCalculate how long a drive will take, given the distance and your average speed.Due Date CalculatorEstimate your pregnancy due date from the first day of your last menstrual period, using Naegele's rule.Earthwork CalculatorCompare cut and fill soil volumes to find whether a site has surplus soil to export or a shortfall to import.Education Loan CalculatorCalculate the monthly EMI, total interest, and total repayment for an education loan based on the loan amount, interest rate, and repayment tenure you enter.Education Loan Cost CalculatorCalculate the true cost of an education loan, including interest accrued during the moratorium period, before your EMI repayments start.Effective Interest Rate CalculatorFind the effective annual interest rate for a given nominal rate and compounding frequency.Electric Current ConverterConvert electric current between microamperes, milliamperes, amperes, and kiloamperes.Electric Vehicle Cost CalculatorCalculate the running cost per kilometer of an electric vehicle from its energy consumption and your electricity rate.Emergency Fund CalculatorCalculate how much you should keep in an emergency fund, based on your monthly expenses and how many months of coverage you want.EMI CalculatorCalculate your monthly EMI (Equated Monthly Installment) for any loan using the standard reducing-balance formula, along with total interest payable and total repayment over the loan tenure.Energy ConverterConvert energy between joules, kilojoules, calories, kilocalories, watt-hours, kWh, and BTU.EPF CalculatorProject your EPF (Employees' Provident Fund) corpus at retirement based on your current basic salary, expected annual increments, and the current EPFO interest rate.EPF Contribution CalculatorBreak down your projected EPF contributions — employee share, employer share, and total interest — from now until retirement.EPF Interest CalculatorCalculate the total interest your EPF (Employees' Provident Fund) corpus will earn by retirement, at the current EPFO interest rate.Epoch ConverterConvert an epoch time (seconds since 1 January 1970 UTC) into a readable date and time.EPS CalculatorCalculate your monthly pension under the Employees' Pension Scheme (EPS) based on your average salary and years of pensionable service.EPS Pension CalculatorEstimate your monthly pension under the Employees' Pension Scheme (EPS) based on your average monthly salary and years of pensionable service, per EPFO's statutory formula.EPS Pension EstimateGet a quick estimate of your Employees' Pension Scheme (EPS) monthly pension using your average salary and pensionable service years.Equation SolverSolve a linear or quadratic equation from its coefficients.Euler Number CalculatorGet Euler's number (e) to any number of decimal places, up to 15.EV Charging Cost CalculatorCalculate the cost to charge your EV's battery, accounting for charging efficiency losses.Event Countdown CalculatorCount the days remaining until a specific event, like a wedding, exam, trip, or launch date.Exam Score CalculatorCalculate your exam percentage, letter grade, and pass/fail status from marks obtained, total marks, and the pass percentage.Excavation CalculatorCalculate the excavation volume and the swelled ("loaded") volume once soil is loosened, for planning truck loads.Exponent CalculatorCalculate base raised to an exponent (base^exponent), including negative and fractional exponents.Exponential Decay CalculatorCalculate the final value of a quantity declining at a fixed percentage rate over a number of periods.Exponential Growth CalculatorCalculate the final value of a quantity growing at a fixed percentage rate over a number of periods.Factor CalculatorList all the factors (divisors) of a whole number.Factorial CalculatorCalculate the factorial (n!) of a whole number — the product of all positive integers up to n.Fat Intake CalculatorEstimate your daily dietary fat intake in grams from your calorie target and the percentage of calories you want from fat.FD Maturity CalculatorCalculate the exact maturity amount of your fixed deposit (FD) on the date it matures, given the deposit amount, interest rate, and tenure.Fence CalculatorCalculate the number of fence panels and posts needed for a fence line, based on its total length and panel width.Fiber Intake CalculatorFind your recommended daily dietary fiber intake based on your age and sex, per the Institute of Medicine's Adequate Intake guidelines.Fibonacci CalculatorCalculate any term of the Fibonacci sequence, where each number is the sum of the two before it.Final Grade CalculatorFind out what score you need on your final exam to reach your desired overall course grade.Fiscal Year CalculatorFind which Indian fiscal year (April to March) a date falls in, its fiscal quarter, and how far through the fiscal year it is.Fixed Deposit CalculatorCalculate the maturity amount and total interest earned on a fixed deposit (FD), given the deposit amount, interest rate, and tenure.Flooring CalculatorCalculate the net floor area and the area to order once a wastage allowance is added, for flooring sold by area (laminate, vinyl, carpet).Force ConverterConvert force between newtons, kilonewtons, dynes, pound-force, and kilogram-force.Fraction CalculatorAdd, subtract, multiply, or divide two fractions, with the result simplified to lowest terms.Fraction SimplifierSimplify a fraction to its lowest terms.Fraction to Decimal CalculatorConvert a fraction to its decimal equivalent.Frequency ConverterConvert frequency between hertz, kilohertz, megahertz, gigahertz, and RPM.Fuel Consumption ConverterConvert a fuel consumption figure between liters per 100km, km/l, and miles per gallon (US and UK).Fuel Economy ConverterConvert a fuel economy figure between km/l, miles per gallon (US and UK), and liters per 100km.Future Value CalculatorCalculate the future value of a lumpsum investment given its present value, expected annual growth rate, and the number of years it will grow.Gas Mileage CalculatorCalculate your vehicle's gas mileage in miles per gallon (mpg), km/l, and liters/100km.GCF CalculatorCalculate the greatest common factor (GCF), also known as the greatest common divisor (GCD), of two whole numbers.Geometric Mean CalculatorCalculate the geometric mean of a list of positive numbers — commonly used for averaging growth rates, ratios, and investment returns.Geometric Sequence CalculatorCalculate any term and the sum of the first n terms of a geometric sequence — a sequence where each term is multiplied by the same fixed ratio to get the next one.Gestational Age CalculatorCalculate gestational age in weeks and days from the last menstrual period.GFR CalculatorEstimate your glomerular filtration rate (eGFR) — a measure of kidney function — using the 2021 CKD-EPI creatinine equation, from a serum creatinine lab result.Gold Loan CalculatorCalculate the monthly EMI, total interest, and total repayment for a gold loan based on the loan amount, interest rate, and tenure you enter.Government Pension CalculatorEstimate your monthly pension under the Old Pension Scheme (OPS), based on your last drawn basic pay + DA and years of qualifying service.GPA CalculatorCalculate your GPA (Grade Point Average) from a list of course grade points and their credit hours.Grade CalculatorCalculate your final weighted grade percentage and letter grade from assignment, midterm, and final exam scores and their respective weights.Gratuity CalculatorCalculate your gratuity amount under the Payment of Gratuity Act, based on your last drawn salary and years of service.Gravel CalculatorCalculate the volume and weight of gravel needed to cover an area at a given depth.Greatest Common Factor CalculatorFind the greatest common factor (GCF) of two whole numbers.GST CalculatorCalculate GST (Goods and Services Tax) amount and total price — either by adding GST to a base price or extracting the base price from a GST-inclusive amount.GST Exclusive CalculatorAdd GST to a base price — enter the pre-tax amount and GST rate to see the tax amount and the final GST-inclusive price.GST Inclusive CalculatorExtract the base price and GST amount from a price that already includes GST — enter the GST-inclusive amount and rate to see the base price and tax portion.GST Interest CalculatorCalculate the interest payable for delayed GST payment, per Section 50 of the CGST Act.GST Late Fee CalculatorCalculate the late fee for filing a GST return (GSTR-3B) after the due date.GST Reverse Charge CalculatorCalculate the GST liability payable directly by the recipient under the reverse charge mechanism (RCM).GST Shopping CalculatorAdd or remove GST from a shopping bill to find the base price, GST amount, and total.Half Marathon Pace CalculatorCalculate the pace and speed needed to finish a half marathon (21.0975 km) in a target time.Half-Life CalculatorCalculate how much of a substance remains after a given time, based on its half-life.Harmonic Mean CalculatorCalculate the harmonic mean of a list of positive numbers — commonly used for averaging rates, such as speeds over equal distances.Healthy Weight CalculatorFind your healthy weight range based on the WHO normal BMI range (18.5-25) for your height.Heart Rate Zone CalculatorSee your five heart rate training zones (50-100% of max heart rate) based on your age.Height ConverterConvert a height in centimeters to the everyday "feet and inches" format.Hex CalculatorConvert a number between hexadecimal and decimal, in either direction.Hex ConverterConvert a number between hexadecimal and decimal, in either direction.Hex to Decimal CalculatorConvert a hexadecimal (base 16) number to decimal (base 10).Home Loan Affordability CalculatorEstimate the maximum home price you can afford, combining your loan eligibility with your available down payment.Home Loan Amortization CalculatorSee the principal and interest split for any single year of your home loan, plus your cumulative payments and remaining balance up to that point.Home Loan Balance Transfer CalculatorCompare your current home loan's remaining interest against transferring the balance to a new lender at a lower rate, net of transfer fees.Home Loan Down Payment CalculatorCalculate the down payment and loan amount needed for a home purchase, based on the lender's loan-to-value (LTV) ratio.Home Loan Eligibility CalculatorEstimate the maximum home loan amount you're likely eligible for, based on your income, existing EMIs, and the lender's FOIR threshold.Home Loan EMI CalculatorCalculate your monthly home loan EMI, total interest payable, and total repayment amount for any home loan amount, interest rate, and tenure.Home Loan Interest Rate CalculatorFind the interest rate implied by your loan amount, EMI, and tenure.Home Loan Prepayment CalculatorSee how much interest you'll save and how much sooner you'll finish your home loan by paying extra toward the principal every month.Home Loan Tenure CalculatorFind out how long it will take to repay your home loan given your loan amount, interest rate, and a fixed EMI.Hours and Minutes CalculatorFind the duration between two clock times, shown as a whole-hours-and-minutes breakdown.Hours CalculatorCalculate the total number of hours between two clock times, shown as a decimal figure.HRA CalculatorCalculate your tax-exempt House Rent Allowance (HRA) under Section 10(13A), based on your basic salary, HRA received, and rent paid.HRA Exemption CalculatorFind the exact tax-exempt portion of your House Rent Allowance under Section 10(13A).HTML Entity EncoderEncode special characters (&, <, >, ", ') into HTML entities, or decode HTML entities back to plain text.Ideal Body Fat CalculatorSee reference body fat percentage ranges (essential, athletes, fitness, acceptable) by sex, and classify your own body fat percentage against them.Ideal Weight CalculatorEstimate your ideal bodyweight using four classic clinical formulas — Devine, Robinson, Miller, and Hamwi — based on your height and sex.Illumination ConverterConvert illuminance between lux and foot-candles.Income Tax CalculatorCalculate your income tax liability for FY 2026-27 under either the new or old tax regime, including standard deduction, Section 87A rebate, and health & education cess.Income Tax Old vs New Regime CalculatorCompare your income tax liability under the old and new tax regimes side by side for FY 2026-27, and see which regime saves you more.Inductance ConverterConvert inductance between henries, millihenries, and microhenries.Inflation CalculatorCalculate what today's cost will be in the future after a given rate of inflation, so you can plan for rising prices over time.Inflation-Adjusted Value CalculatorCalculate what a future amount is worth in today's purchasing power, after accounting for a given rate of inflation.Interest Rate CalculatorFind the interest rate implied by any loan's amount, EMI, and tenure.Inverse Trigonometry CalculatorCalculate the angle from a sine, cosine, or tangent value — arcsin, arccos, or arctan.Investment CalculatorCalculate how a lumpsum investment grows over time at a given annual return rate.Investment Return CalculatorCalculate the annualized return (CAGR) on any investment, given its initial and final value.Invoice GST CalculatorCalculate GST for an invoice, including the CGST and SGST split for an intra-state supply.IP Range CalculatorCalculate the usable IP address range for a subnet, given an IP address and CIDR prefix.IPv4 Subnet CalculatorCalculate the network address, broadcast address, subnet mask, and usable host range for any IPv4 address and CIDR prefix.IPv6 Subnet CalculatorCalculate the network address, address range, and total address count for an IPv6 address and prefix length.IRR CalculatorCalculate the internal rate of return (IRR) for an investment with a regular series of future cash flows.JSON FormatterPretty-print and validate JSON text with your chosen indentation.Kilograms Pounds ConverterConvert a weight from kilograms to pounds.Kilometers Miles ConverterConvert a distance from kilometers to miles.Kisan Vikas Patra CalculatorFind out how long it takes for your Kisan Vikas Patra (KVP) investment to double, and the exact maturity amount.Kitchen Measurement ConverterConvert larger kitchen and batch-cooking measurements — quarts, pints, gallons, cups, and liters — for bulk recipes or food-service quantities.LCM CalculatorCalculate the least common multiple (LCM) of two whole numbers.Lean Body Mass CalculatorEstimate your lean body mass (everything except fat mass) using the Boer formula, based on your weight, height, and sex.Leap Year CalculatorCheck whether a year is a leap year, and find the nearest leap years before and after it.Least Common Multiple CalculatorFind the least common multiple (LCM) of two whole numbers.Leave Encashment CalculatorCalculate the amount payable for encashing your unused leave days.Length ConverterConvert a length measurement between metric and imperial units — millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.Linear Equation CalculatorSolve a linear equation ax + b = 0 for x.Loan CalculatorCalculate the monthly EMI, total interest, and total repayment for any type of loan using the standard reducing-balance formula — works for personal, business, vehicle, or any other fixed-rate installment loan.Loan Interest CalculatorCalculate the total interest you'll pay over the life of a loan.Loan Payoff CalculatorSee how much sooner you can pay off any loan — and how much interest you'll save — by adding a fixed extra payment every month.Loan Repayment CalculatorCalculate your monthly loan repayment (EMI), total interest, and total repayment amount for any loan.Loan-to-Value Ratio CalculatorCalculate the loan-to-value (LTV) ratio for a loan against an asset, and see its risk category.Logarithm CalculatorCalculate the logarithm of a number for any base.Long-Term Capital Gains CalculatorCalculate long-term capital gains (LTCG) tax on equity, property, or other assets held beyond the long-term threshold.Loss CalculatorCalculate the loss amount and loss percentage for a sale, given the cost price and selling price.Lumber CalculatorCalculate the total board feet and cost for a quantity of lumber pieces.Luminance ConverterConvert luminance between candela per square meter (nit), and foot-lamberts.Macro CalculatorSplit a daily calorie target into protein, carbohydrate, and fat grams based on a chosen macro percentage split.Marathon Pace CalculatorCalculate the pace and speed needed to finish a marathon (42.195 km) in a target time.Margin CalculatorCalculate the selling price and profit for a product given its cost price and desired profit margin (margin on selling price).Marks Percentage CalculatorCalculate the percentage you scored on a test or assignment from the marks you obtained and the total marks.Markup CalculatorCalculate the selling price and markup amount for a product given its cost price and desired markup percentage (markup on cost).Mass ConverterConvert a mass between metric and imperial units — milligrams, grams, kilograms, tonnes, pounds, and ounces.Matrix CalculatorAdd, subtract, or multiply two matrices of any compatible size.Matrix Determinant CalculatorCalculate the determinant of a square matrix of any size.Matrix Inverse CalculatorCalculate the inverse of a square matrix of any size.Mean, Median & Mode CalculatorCalculate the mean, median, and mode — the three common measures of central tendency — for a list of numbers.Meters Feet ConverterConvert a length from meters to feet.Metric to Imperial ConverterConvert metric length measurements — millimeters, centimeters, meters, and kilometers — into imperial inches, feet, yards, and miles.Mileage CalculatorCalculate your vehicle's fuel efficiency (km/l, mpg, and liters/100km) from distance traveled and fuel used.Miles Kilometers ConverterConvert a distance from miles to kilometers.Minutes to Hours CalculatorConvert a number of minutes into hours (as a decimal figure).Mixed Number CalculatorAdd, subtract, multiply, or divide two mixed numbers (like 1 1/2).Modulo CalculatorCalculate the modulo of two numbers (a mod b) — the result always takes the sign of the divisor, matching the convention used in mathematics and languages like Python.Molarity ConverterConvert molar concentration between mol/L, mmol/L, µmol/L, and mol/m³.Molecular Weight CalculatorCalculate the molecular weight of a chemical compound from its formula, including nested parentheses like Ca(OH)2.Month CalculatorFind the total number of whole calendar months between two dates.Monthly Budget CalculatorTrack your monthly surplus and savings rate to stay on top of your household budget.Monthly Compound Interest CalculatorCalculate how your money grows with monthly compounding interest.Mortar CalculatorCalculate the cement and sand needed for a given volume of mortar and mix ratio.Mulch CalculatorCalculate the volume and weight of mulch needed to cover a garden bed at a given depth.Mutual Fund Returns CalculatorCalculate the annualized (CAGR) and total returns from a mutual fund investment, given its initial and current value.Mutual Fund SIP vs Lumpsum CalculatorCompare investing a total amount as a mutual fund lumpsum versus spreading it as a monthly SIP over the same period.National Savings Certificate CalculatorCalculate the maturity value of a National Savings Certificate (NSC) investment, compounded annually over its 5-year tenure.Natural Log CalculatorCalculate the natural logarithm (ln) of a number, base e.Net Present Value CalculatorCalculate the net present value (NPV) of an investment given its upfront cost, expected future cash flows, and a discount rate.Network Address CalculatorFind the network address (subnet ID) for any IP address and CIDR prefix length.NPS Annuity CalculatorEstimate the fixed monthly pension you'll receive by annuitizing your NPS annuity corpus over a chosen payout period.NPS CalculatorEstimate your National Pension System (NPS) corpus at retirement, along with the annuity and lump sum split and an estimated monthly pension.NPS Tax Benefit CalculatorCalculate the additional tax you save under Section 80CCD(1B) by contributing to NPS, over and above the ₹1.5 lakh Section 80C limit.NPS Tier I CalculatorEstimate your NPS Tier I retirement corpus, annuity/lump-sum split, and monthly pension — the primary, lock-in retirement account under the National Pension System.NPS Tier II CalculatorProject the growth of your voluntary, flexible NPS Tier II account — no lock-in, no mandatory annuity, withdrawable anytime.Nth Root CalculatorCalculate the nth root of any number, for any root degree you choose — a generalization of square root and cube root.Number Base ConverterConvert a number between any two numeral bases, from binary (base 2) up to base 36.Number Range GeneratorGenerate multiple random whole numbers from a range, with or without duplicates.Number Sequence CalculatorEnter a list of numbers to detect whether they follow an arithmetic or geometric pattern, and predict the next term.Octal CalculatorConvert a number between octal and decimal, in either direction.One Rep Max CalculatorEstimate your one-rep max (1RM) for a lift from the weight and reps you completed, using the Epley and Brzycki formulas.Overtime Hours CalculatorSplit a shift's worked hours into regular and overtime portions against a standard-hours threshold.Overtime Pay CalculatorCalculate your overtime pay based on your monthly salary, standard working hours, and overtime hours worked.Ovulation CalculatorEstimate your ovulation date and fertile window from your last period and cycle length.Pace CalculatorCalculate your pace (minutes per km or mile) and speed from a distance and time.Pace ConverterConvert a running or cycling pace between minutes per km and minutes per mile, along with the equivalent speed.Paint CalculatorCalculate how many liters of paint you need, based on wall area, number of coats, and coverage rate.Parking Cost CalculatorCalculate the total cost of parking for a given number of hours, with an optional daily maximum cap.Parts Per Billion CalculatorConvert between parts per billion (ppb) and other ratio units — percent, ppm, and ppt.Parts Per Million CalculatorConvert between parts per million (ppm) and other ratio units — percent, ppb, and ppt.Password GeneratorGenerate a random, secure password with your chosen length and character types.Paver CalculatorCalculate the number of pavers needed for a patio, walkway, or driveway area.Payback Period CalculatorCalculate how many periods it takes to recover your initial investment from a series of future cash flows.Payment CalculatorCalculate the fixed periodic payment needed to repay any loan or financed purchase.Pension CalculatorEstimate your monthly pension income from a retirement corpus, drawn down over your expected years in retirement.Percent Error CalculatorCalculate the percent error between an experimental (measured) value and a theoretical (accepted) value — commonly used in science and lab work.Percent Off CalculatorCalculate the amount you save and the final price when an item is a certain percent off its original price.Percentage CalculatorCalculate what a given percentage of a number is, along with the remaining amount — for example, "what is 20% of 250?"Percentage Change CalculatorCalculate the percentage change between an original value and a new value — works for both increases and decreases.Percentage Decrease CalculatorCalculate the percentage decrease from an original value to a lower new value.Percentage Difference CalculatorCalculate the symmetric percentage difference between two values, treating neither value as the "before" baseline.Percentage Grade CalculatorCalculate your percentage score and letter grade from marks obtained and total marks.Percentage Increase CalculatorCalculate the percentage increase from an original value to a higher new value.Period CalculatorPredict your next period date and fertile window from your last period and cycle length.Permutation CalculatorCalculate the number of permutations (nPr) — the number of ways to arrange r items from a set of n items, where order matters.Personal Loan CalculatorCalculate the monthly EMI, total interest, and total repayment for a personal loan based on the loan amount, interest rate, and tenure you enter.Petrol vs EV Cost CalculatorCompare the monthly and annual running cost of a petrol vehicle against an electric vehicle for your driving distance.Pi CalculatorGet the value of pi (π) to any number of decimal places, up to 15.Pipe Flow CalculatorCalculate flow rate and Reynolds number from pipe diameter and fluid velocity, and classify the flow as laminar, transitional, or turbulent.Plaster CalculatorCalculate the plaster volume and cement/sand quantities needed for a wall coat.PM Kisan Payment CalculatorCalculate the total amount received under PM-KISAN over your years of enrollment, based on the scheme's fixed ₹6,000/year payout in three installments.PMAY Home Loan Subsidy EstimatorEstimate your interest subsidy under the PMAY Credit Linked Subsidy Scheme (CLSS) based on your household income, loan amount, and tenure.Polygon CalculatorCalculate the perimeter, area, and interior angle of a regular polygon (all sides and angles equal) from its number of sides and side length.Polynomial CalculatorEvaluate a polynomial at a specific value of x, for any degree.Pomodoro TimerCalculate the total time a Pomodoro work session will take, including short and long breaks.Post Office Monthly Income Scheme CalculatorCalculate the fixed monthly income payout from a Post Office Monthly Income Scheme (POMIS) deposit over its 5-year tenure.Post Office Recurring Deposit CalculatorCalculate the maturity amount on a Post Office Recurring Deposit (PORD) given your monthly deposit, interest rate, and 5-year tenure.Post Office Time Deposit CalculatorCalculate the maturity amount on a Post Office Time Deposit (POTD), compounded quarterly and paid out annually, across the 1, 2, 3 or 5-year tenure options.Pounds Kilograms ConverterConvert a weight from pounds to kilograms.Power CalculatorCalculate a number raised to a power (base^exponent).Power ConverterConvert power between watts, kilowatts, megawatts, horsepower (hp), and metric horsepower (PS).PPF CalculatorCalculate the maturity amount of your PPF (Public Provident Fund) investment based on your annual contribution, tenure, and the current PPF interest rate.PPF Contribution PlannerPlan your PPF (Public Provident Fund) contributions to see the maturity amount you'll build up over the standard 15-year term.PPF Extension CalculatorCalculate the extended maturity value of your PPF account when extended in 5-year blocks after the initial 15-year term, with or without further contributions.PPF Withdrawal CalculatorCalculate the maximum partial withdrawal allowed from your PPF account, based on your account balance in the relevant preceding years.Pregnancy CalculatorFind your due date, current week of pregnancy, and trimester from your last menstrual period.Pregnancy CalendarSee your full pregnancy timeline at a glance — current week, trimester, due date, and days remaining — from your last menstrual period.Pregnancy Conception CalculatorEstimate your conception date and fertile window from the first day of your last menstrual period.Pregnancy Trimester CalculatorFind out which trimester you're in from your last menstrual period.Pregnancy Week CalculatorFind out exactly how many weeks and days pregnant you are, from your last menstrual period.Pregnancy Weight Gain CalculatorFind your recommended total pregnancy weight gain range based on your pre-pregnancy BMI, per Institute of Medicine guidelines.Present Value CalculatorCalculate the present value of a future lumpsum amount given a discount rate and the number of years until you receive it.Pressure ConverterConvert pressure between pascals, kilopascals, bar, atmospheres, PSI, and mmHg.Pressure Drop CalculatorCalculate the pressure drop and head loss for fluid flowing through a pipe, using the Darcy-Weisbach equation.Prime Factorization CalculatorBreak a whole number down into its prime factors.Prime Number GeneratorGenerate the first N prime numbers.Probability CalculatorCalculate the probability of an event from its favorable and total outcomes.Professional Tax CalculatorEstimate your monthly and annual professional tax based on your salary and state.Profit CalculatorCalculate the profit amount and profit percentage for a sale, given the cost price and selling price.Profit Margin CalculatorCalculate your profit margin and markup percentage from a known cost price and selling price.Proportion CalculatorSolve a proportion (A:B = C:D) for the missing fourth value.Protein Intake CalculatorEstimate your recommended daily protein intake range based on your bodyweight and activity level.Pythagorean Theorem CalculatorCalculate the hypotenuse of a right triangle from its two legs, using the Pythagorean theorem (a² + b² = c²).Quadratic Formula CalculatorSolve ax² + bx + c = 0 for x using the quadratic formula, including complex roots.Quarter CalculatorFind which calendar quarter (Q1-Q4) any date falls in.Race Time PredictorPredict your race time at a new distance from a recent race result, using Riegel's formula.Rafter CalculatorCalculate the rafter length and angle for a roof from its run, rise, and eave overhang.Random Integer GeneratorGenerate a random whole number within a range.Random Number GeneratorGenerate a random number within a range, with a chosen number of decimal places.Ratio CalculatorSimplify a ratio (like 8:12) to its lowest terms.RD Maturity CalculatorCalculate the exact maturity amount of your recurring deposit (RD) on the date it matures, given the monthly deposit, interest rate, and tenure.Rebar CalculatorCalculate the number, total length, and weight of reinforcement bars for a two-way slab or footing grid.Rectangle CalculatorCalculate the area, perimeter, and diagonal length of a rectangle from its length and width.Recurring Deposit CalculatorCalculate the maturity amount and total interest earned on a recurring deposit (RD), given the monthly deposit amount, interest rate, and tenure.Remainder CalculatorCalculate the remainder of two numbers (a divided by b) — the result always takes the sign of the dividend, matching the convention used by most calculators and programming languages like JavaScript and C.Rent Escalation CalculatorCalculate what your rent will be after a fixed annual escalation rate over a number of years.Rent vs Buy CalculatorCompare the total cost of renting versus buying a home over a chosen time horizon.Resistance ConverterConvert electrical resistance between milliohms, ohms, kilohms, and megohms.Retail Price CalculatorCalculate a retail selling price from your cost price and desired profit margin (as a percentage of the selling price).Retirement CalculatorProject your retirement corpus by combining the growth of your current savings with your ongoing monthly contributions.Retirement Corpus CalculatorFind the retirement corpus you'll need to sustain your desired monthly expenses, adjusted for inflation, throughout retirement.Retirement Countdown CalculatorFind your retirement date and how many days remain until it, based on your date of birth and retirement age.Retirement SIP CalculatorFind the monthly SIP you need to invest to reach your target retirement corpus.Revenue CalculatorCalculate your gross and net revenue from units sold, price per unit, and any discount applied.Right Triangle CalculatorCalculate the hypotenuse, area, perimeter, and both acute angles of a right triangle from its two legs.Road Trip Cost CalculatorEstimate the total cost of a road trip, including fuel, tolls, and food/lodging over multiple days.ROI CalculatorCalculate the return on investment (ROI) percentage from an initial cost and final value.Roof Pitch CalculatorConvert a roof's rise and run into its angle, slope percentage, and traditional "X-in-12" pitch notation.Roofing CalculatorCalculate the actual sloped roof surface area from its footprint and pitch, for ordering roofing material.Room Area CalculatorCalculate a room's floor area and perimeter from its length and width, in meters.Root CalculatorCalculate any root of a number — square root, cube root, or any higher-degree root.Rounding CalculatorRound a number to a fixed number of decimal places, or to the nearest multiple of any amount — to the nearest value, always up, or always down.Running Calories CalculatorEstimate calories burned while running, based on your weight and running duration.Running Pace CalculatorCalculate your running pace (minutes per km or mile) from a distance and time.Running Speed CalculatorCalculate your running speed (km/h or mph) from a distance and time.Salary CalculatorConvert your annual salary to a monthly figure, with a simple basic pay and allowances split.Salary Hike CalculatorCalculate your new salary after a percentage hike, useful when negotiating a job offer or appraisal.Salary Increment CalculatorCalculate your new salary after a percentage increment.Sample Size CalculatorCalculate the sample size needed for a survey or study, given your confidence level and margin of error.Sand CalculatorCalculate the volume and weight of sand needed for a given volume of concrete and mix ratio.Savings CalculatorCalculate how much your regular monthly savings will grow to, given the monthly amount, expected interest rate, and number of years.Savings Goal CalculatorCalculate the monthly deposit needed to reach a savings goal, given the target amount, expected annual return, and number of years.Scholarship Eligibility EstimatorGet a rough estimate of your eligibility for merit-cum-means scholarships based on your family's annual income and academic performance.Scientific CalculatorEvaluate mathematical expressions including trigonometric, logarithmic, and power functions, with support for both degrees and radians.Scientific Notation CalculatorConvert a number between standard decimal form and scientific notation (a × 10^b), in either direction.Seconds CalculatorBreak down a total number of seconds into hours, minutes, and seconds.Senior Citizen Savings Scheme CalculatorCalculate the quarterly interest payout and total returns on a Senior Citizen Savings Scheme (SCSS) deposit over its 5-year tenure.Sequence CalculatorCalculate any term and the sum of an arithmetic or geometric sequence, choosing the type you need in one place.SGPA CalculatorCalculate your SGPA (Semester Grade Point Average) from a single semester's course grade points and credit hours.Shift Hours CalculatorCalculate hours worked in a shift, including overnight shifts, minus any unpaid break.Shopping Savings CalculatorCalculate how much you'll save and the final price after a discount on a purchase.Short-Term Capital Gains CalculatorCalculate short-term capital gains (STCG) tax on equity or other assets sold within the short-term holding threshold.Simple Interest CalculatorCalculate simple interest and the total amount payable or receivable on a principal amount over a given time period at a fixed annual interest rate.Sine CalculatorCalculate the sine of an angle, in degrees or radians.SIP CalculatorCalculate the future value of your monthly SIP (Systematic Investment Plan) in mutual funds, along with total amount invested and total returns earned.SIP Goal CalculatorFind the monthly SIP amount you need to invest to reach a specific target corpus.SIP Returns CalculatorCalculate the future value, total investment, and total returns from a monthly SIP.SIP Step-Up CalculatorCalculate the future value of a SIP where your monthly investment increases by a fixed percentage every year.Sleep CalculatorFind the best times to go to bed based on when you need to wake up, using 90-minute sleep cycles.Sleep Cycle CalculatorFind the best times to wake up based on when you go to bed, using 90-minute sleep cycles.Sleep Time CalculatorFind the best times to go to bed based on when you need to wake up, using 90-minute sleep cycles.Speed ConverterConvert a speed between units — meters per second, kilometers per hour, miles per hour, knots, and feet per second.Speed Distance Time CalculatorSolve for speed, distance, or time — fill in the two values you know, and calculate the third.Square Area CalculatorCalculate the area, perimeter, and diagonal of a square from its side length.Square Footage CalculatorCalculate the square footage of a space from its length and width, with a square meters equivalent.Square Root CalculatorCalculate the square root of any non-negative number.SSY Contribution PlannerPlan your annual Sukanya Samriddhi Yojana (SSY) contributions to see how they build up toward your maturity goal.SSY Maturity CalculatorFind out when your Sukanya Samriddhi Yojana (SSY) account matures and how old the girl child will be, along with the projected maturity amount.Stair CalculatorCalculate the number of steps, actual riser height, and recommended tread depth for a staircase.Stair Stringer CalculatorCalculate the diagonal stringer length and angle for a staircase from its total rise and run.Standard Deviation CalculatorCalculate the standard deviation and variance of a list of numbers, for either a full population or a sample.Statistics CalculatorCalculate the mean, median, mode, range, and other summary statistics for a list of numbers.Steps to Calories CalculatorEstimate calories burned from a step count and your bodyweight.Steps to Distance CalculatorConvert a step count into distance walked or run, based on your stride length.Storage CalculatorConvert a data size between bits, bytes, kilobytes, megabytes, gigabytes, and terabytes.Structural Load CalculatorCalculate the total design load (dead + live) on a floor area, and the total force it represents.Study Time CalculatorCalculate how many hours per day (and per week) you need to study to cover your total study hours before an exam.Subnet CalculatorCalculate the network address, broadcast address, subnet mask, and usable host range for any IPv4 address and CIDR prefix.Subtract Days from Date CalculatorSubtract a number of days from a date to find the resulting calendar date and day of the week.Sukanya Samriddhi Yojana CalculatorCalculate the maturity amount for a Sukanya Samriddhi Yojana (SSY) account based on your annual deposit and the girl child's age at account opening.Swimming Calories CalculatorEstimate calories burned while swimming, based on your weight and swimming duration.System of Equations CalculatorSolve a system of two linear equations with two unknowns (x and y) using Cramer's rule.Take-Home Salary CalculatorEstimate your monthly and annual take-home (in-hand) salary from your CTC (Cost to Company), after typical PF, professional tax, and income tax deductions.Tangent CalculatorCalculate the tangent of an angle, in degrees or radians.Target Heart Rate CalculatorFind your target heart rate zone for exercise using the Karvonen formula, based on your age, resting heart rate, and desired intensity.Tax-Saving Investment CalculatorCalculate the tax you can save by investing in Section 80C tax-saving instruments, up to the ₹1.5 lakh annual limit.Taxable Income CalculatorCalculate your taxable income after the standard deduction and (under the old regime) other eligible deductions.TDEE CalculatorEstimate your Total Daily Energy Expenditure (TDEE) — the calories you burn per day including activity — using the Mifflin-St Jeor equation.TDS CalculatorEstimate the monthly TDS (Tax Deducted at Source) your employer is likely to deduct from your salary.Temperature ConverterConvert a temperature between Celsius, Fahrenheit, and Kelvin.Tile CalculatorCalculate the number of floor or wall tiles needed for an area, given the tile size.Time CalculatorAdd or subtract hours and minutes from a time of day, with automatic wraparound past midnight.Time Card CalculatorCalculate worked hours for a shift from clock-in and clock-out times, minus any unpaid break.Time Duration CalculatorFind the duration between two clock times, including overnight spans that cross midnight.Time Unit ConverterConvert a duration between time units — milliseconds, seconds, minutes, hours, days, weeks, months, and years.Time Until CalculatorFind how much time is left until any future date.Time Zone ConverterConvert a time of day between major world time zones, such as IST, UTC, EST, and JST.Timestamp ConverterConvert a numeric timestamp (seconds since 1 January 1970 UTC) into a readable date and time.Tip CalculatorCalculate the tip amount, total bill, and amount owed per person by entering your bill amount, tip percentage, and number of people splitting the bill.Topsoil CalculatorCalculate the volume and weight of topsoil needed to cover an area at a given depth.Torque ConverterConvert torque between newton-meters, kilogram-force-meters, pound-feet, and pound-inches.Training Pace CalculatorGet easy, long-run, tempo, and interval training paces derived from your current race pace.Travel Fuel CalculatorCalculate how much fuel and how much it will cost to drive a given distance.Triangle CalculatorCalculate the area, perimeter, and all three angles of a triangle from its three side lengths (SSS).Trigonometry CalculatorCalculate the sine, cosine, or tangent of an angle, in degrees or radians.Trip Distance CalculatorCalculate the distance you'll cover, given your average speed and driving time.Ujjwala Scheme Eligibility CheckerCheck whether you're likely eligible for a free LPG connection under Pradhan Mantri Ujjwala Yojana (PMUY), based on gender, category, and existing LPG connection status.Unix Timestamp ConverterConvert a Unix timestamp (seconds since 1 January 1970 UTC) into a readable date and time.Upload Time CalculatorCalculate how long an upload will take, given the file size and your upload speed.URL Encode Decode ToolPercent-encode text for safe use in a URL, or decode percent-encoded text back to plain text.US to Metric ConverterConvert US customary volume measurements — gallons, quarts, cups, fluid ounces, and tablespoons — into metric milliliters and liters.Variance CalculatorCalculate the variance of a list of numbers, for either a full population or a sample.Vector CalculatorAdd or subtract two vectors of any dimension, and find the resulting vector's magnitude.Vector Cross Product CalculatorCalculate the cross product of two 3D vectors, and the resulting vector's magnitude.Vector Dot Product CalculatorCalculate the dot product of two vectors and the angle between them.Vehicle Depreciation CalculatorEstimate any vehicle's current value after a given number of years, using a declining-balance depreciation rate.Vehicle Loan CalculatorCalculate the monthly EMI, total interest, and total repayment for a vehicle loan (car, bike, or commercial vehicle) based on the loan amount, interest rate, and tenure you enter.VO2 Max CalculatorEstimate your VO2 max (aerobic fitness) using the Cooper 12-minute run test — the distance you cover in 12 minutes.Voltage ConverterConvert voltage between microvolts, millivolts, volts, and kilovolts.Volume ConverterConvert a volume between metric and US customary units — milliliters, liters, cubic meters, gallons, quarts, cups, and more.Waist-to-Height Ratio CalculatorCalculate your waist-to-height ratio and see how it compares to the widely cited "keep your waist below half your height" guideline.Waist-to-Hip Ratio CalculatorCalculate your waist-to-hip ratio and see your cardiovascular risk category per WHO sex-specific thresholds.Wake Up Time CalculatorFind the best times to wake up based on your bedtime, using 90-minute sleep cycles.Walking Calories CalculatorEstimate calories burned while walking, based on your weight and walking duration.Wall Area CalculatorCalculate a wall's net area after subtracting doors and windows — the figure needed for paint, plaster, or cladding estimates.Water Intake CalculatorEstimate your recommended daily water intake based on your bodyweight and exercise duration.Week Number CalculatorFind the ISO 8601 week number for any date.Weight ConverterConvert a weight between metric and imperial units — milligrams, grams, kilograms, tonnes, pounds, and ounces.Weighted Average CalculatorCalculate a weighted average from a list of values and their corresponding weights.Weighted Grade CalculatorCalculate your overall course grade from a list of component scores (quizzes, assignments, exams) and their weights.Wholesale CalculatorCalculate a wholesale selling price from your cost price and desired wholesale markup percentage.Wildcard Mask CalculatorCalculate the wildcard mask (inverse subnet mask) for any IP address and CIDR prefix — used in Cisco ACLs and OSPF configuration.Working Days CalculatorCount the number of working days (Monday to Friday) between two dates, inclusive of both endpoints.World ClockSee the equivalent time in several major world time zones at once, from a single reference time.XIRR CalculatorCalculate the annualized return (XIRR) on a series of investments and withdrawals made on different, irregularly-spaced dates.Year CalculatorFind the total number of whole years between two dates.Z-Score CalculatorCalculate a z-score (how many standard deviations a value is from the mean) and its percentile.