Fahrenheit to Celsius Converter
Convert Fahrenheit (°F) to Celsius (°C) using the standard formula.
1 °F equals -17.22222222 °C.
To convert Fahrenheit to Celsius, multiply by 0.5555555556 and then add -17.777778.
Temperature
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Common Benchmarks
Human body temperature
98.6 degF
Winter day
32 degF
Room temperature
72 degF
Water boils
212 degF
Coffee serving temp
160 degF
Summer day
86 degF
Formula
°C = (°F − 32) × 5/9
Example
Example: -40 Fahrenheit equals -40 Celsius.
-40 °F → -40 °C
Conversion table
| Fahrenheit | Celsius |
|---|---|
| -40 °F | -40 °C |
| 32 °F | 0 °C |
| 68 °F | 20 °C |
| 98.6 °F | 37 °C |
| 212 °F | 100 °C |
Explanation
Fahrenheit is common in the US. Celsius is used in most countries. This conversion includes a subtraction offset (−32) before scaling.
How to convert Fahrenheit to Celsius
- Start with the value in Fahrenheit (°F).
- Multiply it by 0.55555556 and then add -17.777778.
- The result is the measurement in Celsius (°C).
Example: 8 °F → -13.333333 °C.