Celsius to Fahrenheit Converter
0°C = 32°F and 100°C = 212°F. Full formula: °F = (°C × 9/5) + 32 for any temperature value.
Inverse conversion
32°F = 0°C and 212°F = 100°C. Full formula: °C = (°F − 32) × 5/9 for any temperature value.
Formula
Formula
°F = (°C × 9/5) + 32
Worked example
To convert 25°C to °F: (25 × 9/5) + 32 = 45 + 32 = 77°F.
Quick reference table
| °C | °F |
|---|---|
| -40 | -40 |
| -20 | -4 |
| -10 | 14 |
| 0 | 32 |
| 10 | 50 |
| 20 | 68 |
| 25 | 77 |
| 37 | 98.6 |
| 100 | 212 |
Unit definitions
Celsius (°C)
Celsius (°C) is the standard temperature scale in most of the world and in science. Water freezes at 0°C and boils at 100°C at sea level.
Fahrenheit (°F)
Fahrenheit (°F) is used primarily in the United States. Water freezes at 32°F and boils at 212°F.
Common use cases
- Weather and forecasts
- Cooking temperatures
- Body temperature
- Science and lab work