Celsius to Fahrenheit Converter
Type a number to convert °C to °F.
Quick answer: To convert °C to °F, multiply the Celsius temperature by 9/5 (1.8) and add 32. For example, 20°C is 68°F.
How to use it
- Type the number of °C.
- The answer in °F appears in large type.
- Press Swap to convert back.
Formula
To convert °C to °F, multiply the Celsius temperature by 9/5 (1.8) and add 32.
Useful points: water freezes at 0°C (32°F) and boils at 100°C (212°F) at sea level, normal body temperature is about 37°C (98.6°F), and −40° is the same in both scales.
Conversion table
| °c | °f |
|---|---|
| -40°C | -40°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 |
| 100°C | 212°F |
What people use it for
- Cooking, travel and shopping
- Homework and science
- Fitness and health tracking
- Reading instructions and labels
- Working with international sizes
Questions
How do I convert °C to °F?
To convert °C to °F, multiply the Celsius temperature by 9/5 (1.8) and add 32. For example, 20°C is 68°F.
How do I convert °F to °C?
Press Swap, or use the reverse converter linked below.
Is the result exact?
It uses the exact definition of the units and is rounded for display.
Is it free?
Yes. No sign-up, no install and no limit.
Is anything saved or sent?
No. Everything runs in your browser. Only your own best score, where a page shows one, is kept on your device.
Last updated 2026-10-24. Free to use, no sign-up. Made by ficklestudio26.