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Fahrenheit to Celsius

Type in either box. The formula, a table and every other unit are below.

Other units

How to convert

1 °F = -17.22222222 °C

°C = (°F − 32) × 5/9

Example: 68 °F = 20 °C

Quick mental math. Subtract 30 and halve it. 70 °F is about 20 °C (21.1 exactly). Fine for weather, not for baking.

Fahrenheit to Celsius table

FahrenheitCelsius
-40 °F-40 °C
0 °F-17.77777778 °C
32 °F0 °C
50 °F10 °C
68 °F20 °C
77 °F25 °C
98.6 °F37 °C
212 °F100 °C