How to use the Temperature Converter
The temperature converter changes between Celsius, Fahrenheit and Kelvin.
Open the Temperature Converter →
The formula
°F = °C × 9 ÷ 5 + 32. K = °C + 273.15.
Worked example
20 °C = 20 × 9 ÷ 5 + 32 = 68 °F = 293.15 K.
Tips for better results
- Remember −40 is the same in °C and °F.
- Use Kelvin for science.
Common mistakes to avoid
- Adding 32 before multiplying.
- Using Kelvin with a degree symbol.
Please note: Results are estimates for general use. For safety-critical work such as electrical or building projects, check with a qualified professional and local codes. See our Disclaimer.