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celsius to fahrenheit
°F = °C × 9/5 + 32
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How do you convert Celsius to Fahrenheit?
Use this formula. It is exact — these units are defined by international agreement, not measured.
°F = °C × 9/5 + 32
Example: 100°C converts to 212°F.
celsius to fahrenheit conversion table
Common values, rounded to six significant figures.
| °C | °F |
|---|---|
| -40 °C | -40 °F |
| -20 °C | -4 °F |
| -10 °C | 14 °F |
| 0 °C | 32 °F |
| 4 °C | 39.2 °F |
| 10 °C | 50 °F |
| 20 °C | 68 °F |
| 25 °C | 77 °F |
| 30 °C | 86 °F |
| 37 °C | 98.6 °F |
| 38 °C | 100.4 °F |
| 40 °C | 104 °F |
| 100 °C | 212 °F |
| 160 °C | 320 °F |
| 180 °C | 356 °F |
| 200 °C | 392 °F |
| 220 °C | 428 °F |
Celsius is anchored to water — 0° freezing, 100° boiling — while Fahrenheit was anchored to a brine mixture and human body temperature, which is why the scales cross at −40°. Cooking is where this bites most: a recipe written at 180°C needs 356°F, and most ovens round that to 350°F.
Values worth remembering
These come up often enough that knowing them saves a lookup.
- 0 °C = 32 °Fwater freezes
- 37 °C = 98.6 °Fbody temperature
- 100 °C = 212 °Fwater boils
- 180 °C = 356 °Fa moderate oven