Fahrenheit to Celsius converter

Type a value in degrees Fahrenheit to see it in degrees Celsius instantly — or the other way round.

Fahrenheit to Celsius formula

°C = (°F − 32) × 5/9

Fahrenheit to Celsius conversion table

Fahrenheit (°F) Celsius (°C)
-40 °F -40 °C
0 °F -17.778 °C
10 °F -12.222 °C
20 °F -6.6667 °C
32 °F 0 °C
40 °F 4.4444 °C
50 °F 10 °C
60 °F 15.556 °C
68 °F 20 °C
70 °F 21.111 °C
75 °F 23.889 °C
80 °F 26.667 °C
90 °F 32.222 °C
98.6 °F 37 °C
100 °F 37.778 °C
102 °F 38.889 °C
104 °F 40 °C
212 °F 100 °C
300 °F 148.89 °C
350 °F 176.67 °C
400 °F 204.44 °C
450 °F 232.22 °C

How to use the Fahrenheit to Celsius tool

3 simple steps · under a minute

  1. 1

    Enter degrees Fahrenheit

    Type the number of degrees Fahrenheit in the first box.

  2. 2

    Read the degrees Celsius

    The result appears instantly, rounded to a sensible number of decimals.

  3. 3

    Convert back

    Type in the second box to convert degrees Celsius back to degrees Fahrenheit.

About Fahrenheit to Celsius converter

To convert Fahrenheit to Celsius, subtract 32 and then multiply by 5/9. For example, (77 °F − 32) × 5/9 = 25 °C.

Fahrenheit is used mainly in the United States, so you will often need this conversion for US weather, recipes and oven settings, and fever thermometers.

Instant results

Converts as you type, in both directions.

Formula included

See exactly how degrees Fahrenheit are converted to degrees Celsius.

Handy table

A ready-made conversion table for the most common values.

Frequently asked questions

What is the formula for Fahrenheit to Celsius?

°C = (°F − 32) × 5/9. Subtract 32, then multiply by 5 and divide by 9.

What is 350 °F in Celsius?

350 °F is 176.7 °C, a common oven temperature (often rounded to 180 °C).

Is 100 °F a fever?

100 °F is 37.8 °C, which is considered a low-grade fever.

What is 0 °F in Celsius?

0 °F is −17.8 °C.