About the Temperature Converter
Type a temperature in Celsius, Fahrenheit or Kelvin and the other two update instantly. Handy for cooking, weather, travel and science homework, with a quick reference table of common temperatures.
How to use the Temperature Converter
- Type a value into any of the three fields.
- The other scales update as you type.
Frequently asked questions
How do I convert Celsius to Fahrenheit?
Multiply by 9/5 and add 32. For example, 20 °C × 1.8 + 32 = 68 °F.
How do I convert Fahrenheit to Celsius?
Subtract 32 and multiply by 5/9. For example, (100 °F − 32) × 5/9 ≈ 37.8 °C.
What is absolute zero?
0 K, which equals −273.15 °C or −459.67 °F — the lowest possible temperature.