Celsius to Fahrenheit
Free instant celsius to fahrenheit converter. °F = (°C × 9 / 5) + 32.
Common Celsius to Fahrenheit values
| Celsius (°C) | Fahrenheit (°F) |
|---|---|
| -40 | -40 |
| 0 | 32 |
| 10 | 50 |
| 20 | 68 |
| 25 | 77 |
| 37 | 98.6 |
| 100 | 212 |
| 1000 | 1832 |
How does Celsius to Fahrenheit conversion work?
Type a value in the Celsius (°C) field and the equivalent in Fahrenheit (°F) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Celsius. The metric temperature unit. 0 °C is the freezing point of water; 100 °C is the boiling point at sea level.
Fahrenheit. The temperature unit used in the United States. 32 °F is the freezing point of water; 212 °F is the boiling point at sea level.
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Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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