Fahrenheit to Celsius

Convert Fahrenheit to Celsius. 1 °F equals -17.2222 °C. Type a value on either side; the formula and tables below show how it works.

°F
°C
1 Fahrenheit equals
-17.2222°C

Formula: °C = (°F − 32) × 5/9. Example: 77 °F = 25 °C.

1 Fahrenheit in every unit

Celsius-17.2222 °C
Kelvin255.9278 K

Fahrenheit to Celsius table

FahrenheitCelsius
-40 °F-40 °C
-20 °F-28.8889 °C
-10 °F-23.3333 °C
0 °F-17.7778 °C
10 °F-12.2222 °C
20 °F-6.6667 °C
25 °F-3.8889 °C
30 °F-1.1111 °C
37 °F2.7778 °C
40 °F4.4444 °C
50 °F10 °C
100 °F37.7778 °C
CelsiusFahrenheit
-40 °C-40 °F
-20 °C-4 °F
-10 °C14 °F
0 °C32 °F
10 °C50 °F
20 °C68 °F
25 °C77 °F
30 °C86 °F
37 °C98.6 °F
40 °C104 °F
50 °C122 °F
100 °C212 °F

How to convert fahrenheit to celsius

°C = (°F − 32) × 5/9

Temperature scales have different zero points, so converting needs an offset as well as a scale factor. 77 °F becomes 25 °C. A handy check: −40 is the same in Celsius and Fahrenheit, and body temperature is about 37 °C or 98.6 °F.

About the units

Fahrenheit (°F). Water freezes at 32 °F and boils at 212 °F. Weather and cooking in the US.

Celsius (°C). Water freezes at 0 °C and boils at 100 °C at sea level. Used in most of the world and in science.

Other temperature conversions

Celsius to Fahrenheit · Celsius to Kelvin · Fahrenheit to Celsius · Fahrenheit to Kelvin · Kelvin to Celsius

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