Temperature changes use different math
An absolute temperature uses °F = (°C × 9/5) + 32. A temperature change uses only the 9/5 scale factor and does not add 32.
Unit converter
Celsius to Fahrenheit Converter
Convert Celsius to Fahrenheit instantly. See the °C to °F formula, exact result, weather references and common oven temperatures.
How to convert °C to °F
Celsius to Fahrenheit is frequently used for weather forecasts, ovens and temperature guidance intended for Fahrenheit-based audiences.
Formula: °F = (°C × 9 ÷ 5) + 32
Reverse formula: °C = (°F − 32) × 5 ÷ 9
Worked example
1 °C = 33.8 °F
- = 274.15 K
Avoid these errors
Common mistakes
Do not treat oven settings as laboratory precision
An exact conversion such as 180°C = 356°F may need the nearest setting supported by the oven and recipe.
Useful for: Weather, cooking and temperature readings in Fahrenheit.
Common °C to °F conversions
| degrees Celsius | degrees Fahrenheit |
|---|---|
| -40 °C | -40 °F |
| -20 °C | -4 °F |
| 0 °C | 32 °F |
| 10 °C | 50 °F |
| 20 °C | 68 °F |
| 25 °C | 77 °F |
| 30 °C | 86 °F |
| 37 °C | 98.6 °F |
| 50 °C | 122 °F |
| 100 °C | 212 °F |
About the units
A degree Celsius is a metric unit represented by °C. A degree Fahrenheit is an imperial unit represented by °F. Calculations use the same authoritative registry as the full temperature converter, retaining full precision until display.
Sources and definitions
NIST — SI units and conversion guidance
Conversion constants come from the shared EzyCalculator unit registry. See how calculations are reviewed and tested.