Temperature ConverterHow it works

FREE TEMPERATURE TOOL

Convert Celsius, Fahrenheit & Kelvin

Type a temperature in any field. The other units update instantly, with sensible precision and no sign-up.

Temperature conversion formulas

Celsius to Fahrenheit

Multiply Celsius by 9/5, then add 32. Example: 20°C × 9/5 + 32 = 68°F.

Fahrenheit to Celsius

Subtract 32, then multiply by 5/9. Example: (68°F − 32) × 5/9 = 20°C.

Celsius to Kelvin

Add 273.15. Kelvin uses no degree symbol and cannot be lower than absolute zero.