Instant conversion
Celsius to Fahrenheit Converter
°F = (°C × 9/5) + 32. Multiply Celsius by 9/5, then add 32.
-40 f
Common c to f conversions
| c | f |
|---|---|
| -40 | -40 |
| -20 | -4 |
| -10 | 14 |
| 0 | 32 |
| 10 | 50 |
| 20 | 68 |
| 21 | 69.8 |
| 25 | 77 |
| 30 | 86 |
| 37 | 98.6 |
| 40 | 104 |
| 100 | 212 |
How this conversion works
°F = (°C × 9/5) + 32. Multiply Celsius by 9/5, then add 32.
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Frequently asked questions
How do you convert Celsius to Fahrenheit?
Multiply Celsius by 9/5, then add 32: °F = (°C × 9/5) + 32.
What is 0°C in Fahrenheit?
0°C is 32°F, the freezing point of water at standard pressure.
Can I use a simple factor for Celsius to Fahrenheit?
No. Temperature conversion needs both multiplication and an offset, so this page uses the full formula.