Power Converter
Convert power between watts, kilowatts, megawatts, horsepower (hp), and metric horsepower (PS).
- Free to use
- Accurate results
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- Works on all devices
Enter a power value and choose a from/to unit to convert between watts, kilowatts, horsepower, and metric horsepower.
Your result
0.746
Converted value
AI explanation
Formula
Converted value = amount × (from-unit-to-watts factor) ÷ (to-unit-to-watts factor)Worked example
1 horsepower to kilowatts
| Field | Value |
|---|---|
| Amount | 1 |
| From unit | hp |
| To unit | kw |
| Converted value | 0.7457 |
Assumptions
- Uses mechanical horsepower (745.6998716 W), the value commonly used for vehicle engine ratings in most English-speaking markets.
- Metric horsepower (PS), common in Indian and European vehicle specs, is a slightly smaller unit (735.49875 W) — check which one your source uses before comparing figures.
Frequently asked questions
Is horsepower the same as metric horsepower (PS)?
No — mechanical horsepower (hp) is 745.7 W, while metric horsepower (PS, used often in Indian and European car brochures) is 735.5 W. They're close but not identical.
How many watts are in 1 kilowatt?
1,000 watts make 1 kilowatt — the unit typically used on electricity bills and appliance ratings.
How do I convert a car's horsepower to kilowatts?
Multiply horsepower by 0.7457 to get kilowatts, or use this converter directly with hp as the "from" unit and kW as the "to" unit.