Celsius to Fahrenheit Calculator
Type a temperature in either box to convert instantly between Celsius and Fahrenheit.
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Formula
To convert a temperature from Celsius to Fahrenheit, multiply it by 9/5 and add 32:
°F = (°C × 9/5) + 32
To convert the other way, subtract 32 first, then multiply by 5/9: °C = (°F − 32) × 5/9.
Example
Convert 25 °C to Fahrenheit: (25 × 9/5) + 32 = 45 + 32 = 77 °F.
Conversion table
| Celsius | Fahrenheit | Note |
|---|---|---|
| −40 °C | −40 °F | The two scales meet |
| 0 °C | 32 °F | Water freezes |
| 20 °C | 68 °F | Room temperature |
| 37 °C | 98.6 °F | Body temperature |
| 100 °C | 212 °F | Water boils |
Frequently asked questions
What is 0°C in Fahrenheit?
0 °C equals 32 °F, the freezing point of water.
What is the formula to convert Celsius to Fahrenheit?
Multiply the Celsius temperature by 9/5 (1.8) and add 32: °F = (°C × 9/5) + 32.
What is normal body temperature in Fahrenheit?
37 °C, normal human body temperature, is equal to 98.6 °F.