Celsius Fahrenheit Converter
Convert a temperature between Celsius and Fahrenheit, in either direction.
- Free to use
- Accurate results
- No registration required
- Works on all devices
Enter a temperature and choose a direction to convert between Celsius and Fahrenheit.
Your result
98.6
Converted temperature
AI explanation
Formula
°F = °C × 9/5 + 32; °C = (°F − 32) × 5/9Worked example
Human body temperature: 37°C to Fahrenheit
| Field | Value |
|---|---|
| Temperature | 37 |
| Convert | c-to-f |
| Converted temperature | 98.6 |
Assumptions
- Temperatures below absolute zero (−273.15°C or −459.67°F) are rejected as physically impossible.
Frequently asked questions
What is the formula to convert Celsius to Fahrenheit?
°F = °C × 9/5 + 32. For example, 100°C × 9/5 + 32 = 212°F (the boiling point of water).
What is the formula to convert Fahrenheit to Celsius?
°C = (°F − 32) × 5/9. For example, (98.6 − 32) × 5/9 = 37°C.
Do I need Kelvin conversion too?
Use the full Temperature Converter, which also supports Kelvin, if you need it.