Temperature Converter

How to convert temperature

1. Type a temperature and choose the scale you have and the scale you want.
2. The answer updates as you type, and negative values work too.
3. Use ⇄ to swap the two scales.

Frequently asked questions

How do I convert Celsius to Fahrenheit?

Multiply by 1.8 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, (68 °F − 32) × 5/9 = 20 °C.

When are Celsius and Fahrenheit the same?

At −40 degrees: −40 °C is exactly −40 °F.