Degrees Fahrenheit to degrees Celsius
1 °F = -17.222222 °C
Formula
Temperature is not converted with a simple factor but with a formula that also accounts for the zero point.
How to convert degrees Fahrenheit to degrees Celsius
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Degrees Fahrenheit to degrees Celsius – common values
| Degrees Fahrenheit (°F) | Degrees Celsius (°C) |
|---|---|
| -40 | -40 |
| -20 | -28.8889 |
| -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 the units
Degrees Fahrenheit. Fahrenheit is used mainly in the US. Water freezes at 32 °F and boils at 212 °F.
Degrees Celsius. The Celsius scale places the freezing point of water at 0° and the boiling point at 100° at standard pressure.