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Fahrenheit to Celsius

Formula: °C = (°F − 32) ÷ 1.8. Type any value below or use the table.

-40 °F in celsius-40 °C
Ratesee table

-40 °F in every temperature unit

Celsius-40 °C
Fahrenheit-40 °F
Kelvin233.15 K

°F to °C conversion table

Fahrenheit (°F)Celsius (°C)
-40-40
-30-34.4444
-20-28.8889
-10-23.3333
0-17.7778
5-15
10-12.2222
15-9.4444
20-6.6667
25-3.8889
30-1.1111
351.6667
372.7778
404.4444
5010
6015.5556
7021.1111
8026.6667
9032.2222
10037.7778
15065.5556
18082.2222
20093.3333
250121.1111
300148.8889
350176.6667
400204.4444
450232.2222
500260

Formula

°C = (°F − 32) ÷ 1.8

Frequently asked questions

How do I convert fahrenheit to celsius?

Use the formula °C = (°F − 32) ÷ 1.8. For example 50 °F is 10 °C.

How many celsius are in one fahrenheit?

It depends on the value; see the table above.

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