Celsius to Fahrenheit Converter
Convert degrees Celsius to degrees Fahrenheit instantly — with formula, examples and table.
Use the converter above for an immediate result — it recalculates on every keystroke and works offline once the page has loaded.
Formula: °F = °C × 9/5 + 32. For example, 20 °C equals 68 °F.
How to convert degrees Celsius to degrees Fahrenheit
°F = °C × 9/5 + 32
Celsius sets 0° at water's freezing point and 100° at its boiling point at sea level. It is the world's standard scale for weather and cooking outside the US.
Fahrenheit places freezing at 32° and boiling at 212°, giving 180 finer-grained degrees between them. It remains the everyday scale of the United States.
Celsius to Fahrenheit conversion table
| Celsius (°C) | Fahrenheit (°F) |
|---|---|
| -40 °C | -40 °F |
| -30 °C | -22 °F |
| -20 °C | -4 °F |
| -10 °C | 14 °F |
| -5 °C | 23 °F |
| 0 °C | 32 °F |
| 5 °C | 41 °F |
| 10 °C | 50 °F |
| 15 °C | 59 °F |
| 20 °C | 68 °F |
| 25 °C | 77 °F |
| 30 °C | 86 °F |
| 35 °C | 95 °F |
| 37 °C | 98.6 °F |
| 40 °C | 104 °F |
| 45 °C | 113 °F |
Need the opposite direction? Use the Fahrenheit to Celsius converter, or read our complete guide to temperature conversions for every formula in one place.
Full guide: Celsius to Fahrenheit — where the factor comes from, worked examples and the mistakes people make.
Frequently asked questions
What is the formula to convert Celsius to Fahrenheit?
°F = °C × 9/5 + 32. For example, 25 °C equals 77 °F.
What is 100 °C in °F?
100 °C equals 212 °F, using the formula °F = °C × 9/5 + 32.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.