How to convert Celsius to Fahrenheit
To convert Celsius to Fahrenheit, multiply by 9/5 (1.8) and add 32: °F = °C × 9/5 + 32. The scales cross at −40°, where both read the same.
Examples
- 20 °C = 68 °F
- 100 °C = 212 °F
Celsius to Fahrenheit conversion table
| Celsius (°C) | Fahrenheit (°F) |
|---|---|
| -40 | -40 |
| -20 | -4 |
| 0 | 32 |
| 10 | 50 |
| 20 | 68 |
| 30 | 86 |
| 37 | 98.6 |
| 50 | 122 |
| 68 | 154.4 |
| 98.6 | 209.48 |
| 100 | 212 |
| 212 | 413.6 |
Frequently asked questions
- How do I convert Fahrenheit back to Celsius?
- Use the Fahrenheit to Celsius converter, or just swap the units on the full unit converter — it shows every unit in the category at once.
- Are these conversion factors exact?
- Yes. The English units have been defined in metric terms since 1959, so the factors used here are exact by definition, not rounded approximations. Displayed results are rounded only for readability.
- Can I convert other units too?
- The unit converter also handles length, weight, volume, temperature, area, speed, pressure, energy, power, torque, and fuel economy — each with every unit shown side by side.