Degrees Fahrenheit to Degrees Celsius Converter
Type a number to convert degrees Fahrenheit to degrees Celsius. The result updates as you type, and you can swap the units to convert back.
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The formula
°C = (°F - 32) x 5/9
How to convert degrees Fahrenheit to degrees Celsius
To convert degrees Fahrenheit to degrees Celsius, subtract 32, multiply by 5, then divide by 9.
A worked example
77 degrees Fahrenheit is 25 degrees Celsius. (77 - 32) x 5 / 9 = 25.
Quick conversion table
| Degrees Fahrenheit | Degrees Celsius |
|---|---|
| -40 °F | -40 °C |
| 0 °F | -17.778 °C |
| 14 °F | -10 °C |
| 23 °F | -5 °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 |
| 212 °F | 100 °C |
| 350 °F | 176.67 °C |
| 375 °F | 190.56 °C |
| 400 °F | 204.44 °C |
| 450 °F | 232.22 °C |
And the other way: degrees Celsius to degrees Fahrenheit
| Degrees Celsius | Degrees Fahrenheit |
|---|---|
| -40 °C | -40 °F |
| -20 °C | -4 °F |
| -10 °C | 14 °F |
| 0 °C | 32 °F |
| 5 °C | 41 °F |
| 10 °C | 50 °F |
| 15 °C | 59 °F |
| 20 °C | 68 °F |
| 25 °C | 77 °F |
| 30 °C | 86 °F |
| 37 °C | 98.6 °F |
| 40 °C | 104 °F |
| 60 °C | 140 °F |
| 80 °C | 176 °F |
| 100 °C | 212 °F |
| 150 °C | 302 °F |
| 180 °C | 356 °F |
| 200 °C | 392 °F |
| 220 °C | 428 °F |
| 250 °C | 482 °F |
When you will need it
American recipes, ovens and weather reports use Fahrenheit, while most other countries use Celsius.
Quick estimate: subtract 30 and halve. 80 °F is about 25 °C (the exact answer is 26.7).
Degrees Fahrenheit to Degrees Celsius Converter: frequently asked questions
How many degrees Celsius are in one degree Fahrenheit?
One degree Fahrenheit is -17.222 degrees Celsius.
How many degrees Fahrenheit are in one degree Celsius?
One degree Celsius is 33.8 degrees Fahrenheit.
Is this degrees Fahrenheit to degrees Celsius conversion exact?
The factor is exact where the units are defined that way, and we show the result rounded for readability.
How exact is the conversion?
It uses the internationally agreed definitions, and rounds only the number you see.
Is what I enter in this converter saved or sent anywhere?
No. The calculation runs in your browser, so what you enter is not sent to our servers. We only count, anonymously, whether a tool ran successfully.
Is this converter free to use?
Yes. It is free, needs no sign-up and has no usage limit.
Last reviewed: October 3, 2026