Degrees Fahrenheit to Degrees Celsius
Convert degrees Fahrenheit to degrees Celsius instantly. See the exact formula, a worked example and a quick reference chart — free, no sign-up.
To convert degrees Fahrenheit to degrees Celsius, use °C = (°F − 32) × 5/9. For example, 100°F = 37.77778°C. Enter any value in the converter above to do it instantly.
Why convert degrees Fahrenheit to degrees Celsius?
Degrees Fahrenheit (°F) and degrees Celsius (°C) are two different temperature scales, so converting between them needs a formula rather than a single multiplier. The tool above does it instantly; below is the exact formula, a worked example and a reference chart you can scan.
Degrees Fahrenheit to degrees Celsius formula
°C = (°F − 32) × 5/9
Worked example: 100 degrees Fahrenheit = 37.77778 degrees Celsius.
Degrees Fahrenheit to degrees Celsius conversion table
| Degrees Fahrenheit (°F) | Degrees Celsius (°C) |
|---|---|
| -40 | -40 |
| 0 | -17.77778 |
| 32 | 0 |
| 50 | 10 |
| 68 | 20 |
| 98.6 | 37 |
| 212 | 100 |
Degrees Fahrenheit to Degrees Celsius — frequently asked questions
What is the formula to convert degrees Fahrenheit to degrees Celsius?
Use °C = (°F − 32) × 5/9. For example, 100°F = 37.77778°C.
What is 100°F in °C?
100°F = 37.77778°C. Enter any value in the converter above for an instant result.
How do I convert degrees Celsius back to degrees Fahrenheit?
Do the reverse conversion — see our degrees Celsius-to-degrees Fahrenheit converter for the formula and an instant calculator.
Is this degrees Fahrenheit-to-degrees Celsius converter free?
Yes — it's completely free, instant and runs in your browser with no sign-up. Nothing you type is uploaded.