Convert Fahrenheit to Celsius
Quick answer
1 °F = -17.2222 °C
(and 1 °C = 33.8 °F)
Fahrenheit-to-Celsius formula
Temperature scales don't share a simple multiplier, so each conversion uses its own formula. For example, 20°F = -6.6667°C.
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 | -6.6667 °C |
| 25 °F | -3.8889 °C |
| 30 °F | -1.1111 °C |
| 37 °F | 2.7778 °C |
| 50 °F | 10 °C |
| 75 °F | 23.8889 °C |
| 100 °F | 37.7778 °C |
Need a different value?
Use the interactive temperature converter for any number and unit.
Open the Temperature Converter