Convert Fahrenheit to Celsius
Convert Fahrenheit (°F) to Celsius (°C) instantly. Enter a value below and the result updates live — accurate to 8 significant figures. 1 Fahrenheit = -17.222222 Celsius.
Temperature uses non-linear formulas (offset + scale) — Kelvin is the internal base.
Fahrenheit to Celsius formula
Subtract 32 from the Fahrenheit value, then multiply by 5/9.
Fahrenheit to Celsius conversion table
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| 1 | -17.222222 |
| 5 | -15 |
| 10 | -12.222222 |
| 20 | -6.6666667 |
| 50 | 10 |
| 100 | 37.777778 |
| 500 | 260 |
| 1000 | 537.77778 |
Fahrenheit to Celsius — FAQ
What is 1 °F in °C?
1 Fahrenheit (°F) equals -17.222222 Celsius (°C). For example, 10 °F = -12.222222 °C.
How do I convert Fahrenheit to Celsius?
Subtract 32 from the Fahrenheit value, then multiply by 5/9. Or simply type any value into the converter above and the Celsius result updates instantly.
Is the Fahrenheit to Celsius conversion accurate?
Yes. Temperature uses exact offset-and-scale formulas via Kelvin, so every result is precise to 8 significant figures.