Temperature
Fahrenheit to Celsius Converter
1 °F = -17.2222 °C. Enter any value and the result updates instantly.
Convert
How to convert Fahrenheit to Celsius
- Type the Fahrenheit value in the calculator.
- Keep Fahrenheit selected as the from unit and Celsius selected as the to unit.
- Use the instant result, or copy it with the copy button.
Fahrenheit to Celsius chart
| Fahrenheit | Celsius |
|---|---|
| -40 °F | -40 °C |
| 0 °F | -17.7778 °C |
| 10 °F | -12.2222 °C |
| 20 °F | -6.6667 °C |
| 37 °F | 2.7778 °C |
| 100 °F | 37.7778 °C |
Formula
°C = (°F - 32) x 5/9
Example: 1 °F = -17.2222 °C.
Source
Temperature scale relationships from SI thermodynamic temperature definitions.
Common questions
How do I convert Fahrenheit to Celsius?
Enter the Fahrenheit value in the converter, or multiply by the factor shown in the formula. °C = (°F - 32) x 5/9.
What is 1 °F = -17.2222 °C?
1 °F = -17.2222 °C. The chart on this page gives more common Fahrenheit to Celsius values.
Where does this temperature conversion come from?
Temperature scale relationships from SI thermodynamic temperature definitions. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.