Convert Fahrenheit to Celsius and Celsius to Fahrenheit instantly. Bidirectional temperature converter with formula and common values.
To convert Fahrenheit to Celsius, subtract 32 and multiply by 5/9. The Fahrenheit scale sets water's freezing point at 32°F and boiling point at 212°F, while Celsius uses 0°C and 100°C respectively.
| Fahrenheit | Celsius |
|---|---|
| 32 | 0 |
| 50 | 10 |
| 68 | 20 |
| 72.5 | 22.5 |
| 98.6 | 37 |
| 150 | 65.6 |
| 212 | 100 |
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Subtract 32 from the Fahrenheit value, then multiply by 5/9. For example, 72.5°F: (72.5 − 32) × 5/9 = 22.5°C.
-40 degrees is the same in both scales: -40°F = -40°C.
Normal body temperature is approximately 98.6°F or 37°C.
Multiply the Celsius value by 9/5, then add 32. For example, 22.5°C: (22.5 × 9/5) + 32 = 72.5°F.