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Fahrenheit to Celsius
Convert temperatures from Fahrenheit to Celsius. Subtract 32, then multiply by 5/9.
°F
°C
°C = °F × 0.555556 − 17.7778
Quick reference
| Common amount | °F | °C |
|---|---|---|
| Freezing point | 32 °F | 0 °C |
| Mild | 50 °F | 10 °C |
| Room temperature | 68 °F | 20 °C |
| Body temperature | 98.6 °F | 37 °C |
| Hot day | 100 °F | 37.78 °C |
| Boiling point | 212 °F | 100 °C |
About this conversion
The Fahrenheit and Celsius scales meet at −40°. Daniel Fahrenheit set 0 °F using a brine mixture; Anders Celsius originally set 0 ° at boiling and 100 ° at freezing — the modern scale is inverted.