The conversion
Fahrenheit and Celsius sit on different zero points, so there is no single multiplier — the converter applies the exact formula instead.
Formula: °C = (°F − 32) × 5/9.
Temperature
Convert Fahrenheit to Celsius
Enter a temperature in Fahrenheit to see it in Celsius. The exact formula is applied automatically.
Quick reference
| Fahrenheit | Celsius |
|---|---|
| 1 °F | -17.2222 °C |
| 2 °F | -16.6667 °C |
| 5 °F | -15 °C |
| 10 °F | -12.2222 °C |
| 25 °F | -3.8889 °C |
| 50 °F | 10 °C |
| 100 °F | 37.7778 °C |
FAQ
How many Celsius are in 1 fahrenheit?
-17.2222 °C. Because this is a temperature scale, the relationship is a formula rather than a fixed ratio — see the formula below.
What is the formula to convert Fahrenheit to Celsius?
°C = (°F − 32) × 5/9.
Is this Fahrenheit-to-Celsius conversion exact?
Fahrenheit and Celsius sit on different zero points, so there is no single multiplier — the converter applies the exact formula instead.