Convert Celsius to Fahrenheit
Celsius (°C) to Fahrenheit (°F) — the formula, a worked example and a live converter, all in your browser.
Celsius to Fahrenheit formula
Temperature scales don't share a zero point, so the conversion uses an offset formula rather than a simple ratio:
°F = (°C × 9/5) + 32
Worked example
20 °C = 20 = 68 °F.
Celsius to Fahrenheit conversion table
| Celsius (°C) | Fahrenheit (°F) |
|---|---|
| -40 | -40 |
| 0 | 32 |
| 20 | 68 |
| 37 | 98.6 |
| 100 | 212 |
Common uses
Essential for reading weather forecasts, oven temperatures and thermostats when moving between metric and US conventions.
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Frequently asked questions
What is the formula to convert celsius to fahrenheit?
Use °F = (°C × 9/5) + 32.
What is 20°C in fahrenheit?
20°C equals 68°F.
Is this converter accurate?
Yes. It uses the exact internationally-defined conversion factors and runs entirely in your browser, so results match standards tables and nothing you type is uploaded.