Convert Fahrenheit to Celsius

Convert fahrenheit to celsius (°F to °C) instantly. Free, accurate fahrenheit to celsius calculator with conversion formula and chart.

From

To-17.22222222

1 °F = -17.22222222 °C

Conversion formula

°C = (°F − 32) × 5/9

To convert by hand, subtract 32 from the Fahrenheit value, multiply by 5, then divide by 9.

Fahrenheit to Celsius conversion table

Fahrenheit (°F)	Celsius (°C)
-40 °F	-40 °C
-10 °F	-23.3333 °C
0 °F	-17.7778 °C
10 °F	-12.2222 °C
20 °F	-6.66667 °C
25 °F	-3.88889 °C
30 °F	-1.11111 °C
37 °F	2.77778 °C
100 °F	37.7778 °C

Water freezes at 32 °F, which is 0 °C.
Average human body temperature is about 98.6 °F, or 37 °C.
Water boils at 212 °F at sea level — that is 100 °C.

More temperature conversions

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

About Fahrenheit to Celsius

Easily convert fahrenheit (°F) to celsius (°C) with this free, instant calculator. Enter a value in fahrenheit to see the equivalent in celsius right away — accurate and calculated in your browser.

How to use Fahrenheit to Celsius

1
Enter the number of fahrenheit you want to convert.
2
The equivalent value in celsius appears instantly.
3
Switch units anytime to convert in either direction.

How to convert Fahrenheit to Celsius

Enter any value in fahrenheit (°F) and this calculator instantly shows the equivalent in celsius (°C) using the exact internationally agreed conversion factor — no rounding tricks, no ads in the way, and it works offline once the page is loaded.

Use the swap button to convert in the other direction (celsius to fahrenheit), or switch to any other temperature unit from the dropdown — the same page handles celsius, fahrenheit, kelvin.

Frequently Asked Questions

How do you convert fahrenheit to celsius?

Enter your value in fahrenheit and the converter instantly shows the result in celsius using the exact conversion factor.

Is the fahrenheit to celsius converter free?

Yes — it's completely free, instant and requires no sign-up.

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