How to convert Fahrenheit to Celsius
Use the converter above or the formula: °C = (°F − 32) × 5/9. For example, 32 °F = 0 °C and 212 °F = 100 °C. Enter a value in Fahrenheit and the converter shows the result in Celsius instantly — free, no sign-up.
Worked examples
- 32 °F = 0 °C
- 68 °F = 20 °C
- 98.6 °F = 37 °C
- 212 °F = 100 °C
Fahrenheit to Celsius conversion table
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -40 | -40.00 |
| 0 | -17.78 |
| 32 | 0.00 |
| 50 | 10.00 |
| 68 | 20.00 |
| 77 | 25.00 |
| 98.6 | 37.00 |
| 100 | 37.78 |
| 212 | 100.00 |
Practical use: weather, cooking ovens, body temperature.
Frequently asked questions
How many °C are in 1 °F?
It depends on the value, because temperature is not a fixed ratio — use °C = (°F − 32) × 5/9. For reference, 32 °F = 0 °C and 212 °F = 100 °C.
What is the formula to convert °F to °C?
°C = (°F − 32) × 5/9.
How do I convert back from °C to °F?
°F = °C × 9/5 + 32.
What is 68 °F in °C?
68 °F = 20 °C.