Degree Fahrenheit to Degree Celsius Converter
32 °F is 0 °C. Convert degrees Fahrenheit (°F) to degrees Celsius (°C) below: type a value and the result updates as you type.
°F to °C calculator
Result
Degree Fahrenheit to Degree Celsius conversion
1 °F ≈ -17.22222222 °Cone degree Fahrenheit in degrees Celsius
1 °C = 33.8 °Fone degree Celsius in degrees Fahrenheit
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.
Degree Celsius (°C): Same size as the kelvin; 0 °C is exactly 273.15 K.
Source:Degree Fahrenheit: NIST Special Publication 811 (2008), Appendix B.8; Degree Celsius: SI Brochure, 9th edition (BIPM, 2019)
How to convert degrees Fahrenheit to degrees Celsius
To convert degrees Fahrenheit to degrees Celsius, subtract 32, then divide by 1.8.
Formula
°C = (°F − 32) ÷ 1.8
Examples
- 32 °F = (32 − 32) ÷ 1.8 = 0 °C
- 72 °F = (72 − 32) ÷ 1.8 ≈ 22.22222222 °C
- 212 °F = (212 − 32) ÷ 1.8 = 100 °C
Degree Fahrenheit to Degree Celsius conversion table
| Degree Fahrenheit (°F) | Degree Celsius (°C) |
|---|---|
| -40 °F | -40 °C |
| 0 °F | -17.77777778 °C |
| 32 °F | 0 °C |
| 50 °F | 10 °C |
| 60 °F | 15.55555556 °C |
| 68 °F | 20 °C |
| 70 °F | 21.11111111 °C |
| 77 °F | 25 °C |
| 90 °F | 32.22222222 °C |
| 98.6 °F | 37 °C |
| 100 °F | 37.77777778 °C |
| 212 °F | 100 °C |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- What is 32 °F in °C?
- 32 °F is 0 °C. To convert degrees Fahrenheit to degrees Celsius, subtract 32, then divide by 1.8.
- How do I convert degrees Celsius to degrees Fahrenheit?
- To convert degrees Celsius to degrees Fahrenheit, multiply by 1.8, then add 32. The formula is °F = °C × 1.8 + 32.
- 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.