Degree Celsius to Degree Fahrenheit Converter
0 °C is 32 °F. Convert degrees Celsius (°C) to degrees Fahrenheit (°F) below: type a value and the result updates as you type.
°C to °F calculator
Result
Degree Celsius to Degree Fahrenheit conversion
1 °C = 33.8 °Fone degree Celsius in degrees Fahrenheit
1 °F ≈ -17.22222222 °Cone degree Fahrenheit in degrees Celsius
Degree Celsius (°C): Same size as the kelvin; 0 °C is exactly 273.15 K.
Degree Fahrenheit (°F): 5/9 of a kelvin; 0 °F is exactly 459.67 °R above absolute zero, so K = (°F + 459.67) × 5/9.
Source:Degree Celsius: SI Brochure, 9th edition (BIPM, 2019); Degree Fahrenheit: NIST Special Publication 811 (2008), Appendix B.8
How to convert degrees Celsius to degrees Fahrenheit
To convert degrees Celsius to degrees Fahrenheit, multiply by 1.8, then add 32.
Formula
°F = °C × 1.8 + 32
Examples
- 0 °C = 0 × 1.8 + 32 = 32 °F
- 25 °C = 25 × 1.8 + 32 = 77 °F
- 100 °C = 100 × 1.8 + 32 = 212 °F
Degree Celsius to Degree Fahrenheit conversion table
| Degree Celsius (°C) | Degree Fahrenheit (°F) |
|---|---|
| -40 °C | -40 °F |
| -20 °C | -4 °F |
| -10 °C | 14 °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 |
| 40 °C | 104 °F |
| 50 °C | 122 °F |
| 100 °C | 212 °F |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- What is 0 °C in °F?
- 0 °C is 32 °F. To convert degrees Celsius to degrees Fahrenheit, multiply by 1.8, then add 32.
- How do I convert degrees Fahrenheit to degrees Celsius?
- To convert degrees Fahrenheit to degrees Celsius, subtract 32, then divide by 1.8. The formula is °C = (°F − 32) ÷ 1.8.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 1.8 is exact. Displayed results are only rounded when they have many decimal places.