Convert degrees Fahrenheit to degrees Celsius
Enter a temperature in degrees Fahrenheit to get degrees Celsius. Formula: °C = (°F − 32) × 5/9.
How to use the Degree Fahrenheit to degree Celsius
- Type the number of degrees Fahrenheit.
- Click Convert.
- Read the result in degrees Celsius, plus the same value in every other temperature unit.
°F to °C formula
°C = (°F − 32) × 5/9
Worked example
77 °F → (77 − 32) × 5/9 = 25 °C.
Degrees Fahrenheit to degrees Celsius conversion table
| Degrees Fahrenheit | Degrees Celsius |
|---|---|
| -40 °F | -40 °C |
| 0 °F | -17.7778 °C |
| 32 °F | 0 °C |
| 50 °F | 10 °C |
| 68 °F | 20 °C |
| 77 °F | 25 °C |
| 86 °F | 30 °C |
| 98.6 °F | 37 °C |
| 100 °F | 37.7778 °C |
| 104 °F | 40 °C |
| 212 °F | 100 °C |
| 350 °F | 176.6667 °C |
About the degree Fahrenheit
Water freezes at 32 °F and boils at 212 °F. Used for weather, cooking and body temperature in the USA.
About the degree Celsius
Water freezes at 0 °C and boils at 100 °C at sea level. The everyday scale almost everywhere except the USA.
Related conversions
degrees Celsius to degrees Fahrenheit · degrees Fahrenheit to kelvins · any unit.
Frequently asked questions
How many degrees Celsius in a degree Fahrenheit?
Use °C = (°F − 32) × 5/9.
How many degrees Fahrenheit in a degree Celsius?
Use the inverse: °F = °C × 9/5 + 32.
Is the factor exact?
Yes, the formulas are exact by definition.
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Last updated 2026-09-23.