Convert Fahrenheit (℉) to Celsius (℃)

1 ℉ = -17.2222 ℃

Unit conversion from Fahrenheit to Celsius. Use the reference table and formula below to convert Fahrenheit ⇄ Celsius at a glance.

Formula: ℃ = ℉ × 0.555556 − 17.7778

Reference table

FahrenheitCelsius
-40 ℉-40 ℃
-10 ℉-23.3333 ℃
0 ℉-17.7778 ℃
10 ℉-12.2222 ℃
20 ℉-6.66667 ℃
25 ℉-3.88889 ℃
30 ℉-1.11111 ℃
37 ℉2.77778 ℃
100 ℉37.7778 ℃

About this conversion

Temperature conversions help with weather forecasts, oven settings and travel between Celsius, Fahrenheit and Kelvin.

Frequently asked questions

What are common Fahrenheit to Celsius values?

0 ℉ = -17.7778 ℃, 20 ℉ = -6.66667 ℃, 37 ℉ = 2.77778 ℃, 100 ℉ = 37.7778 ℃.

How do Celsius and Fahrenheit differ?

Water freezes at 0 °C = 32 °F and boils at 100 °C = 212 °F. The conversion includes an offset, not just a ratio.

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