How to convert degrees Fahrenheit to degrees Celsius
To convert degrees Fahrenheit (°F) to degrees Celsius (°C), subtract 32, then multiply by 5/9.
°C = (°F − 32) × 5/9
Example: 100 °F = 37.77777778 °C.
You can also type 100 °F to °C into the smart calculator, or mix units: 1 °F + 1 °C.
Degrees Fahrenheit to Degrees Celsius conversion table
| Degrees Fahrenheit | Degrees Celsius |
|---|---|
| −40 °F | −40 °C |
| −20 °F | −28.888889 °C |
| 0 °F | −17.777778 °C |
| 10 °F | −12.222222 °C |
| 20 °F | −6.6666667 °C |
| 32 °F | 0 °C |
| 40 °F | 4.4444444 °C |
| 50 °F | 10 °C |
| 60 °F | 15.555556 °C |
| 68 °F | 20 °C |
| 70 °F | 21.111111 °C |
| 75 °F | 23.888889 °C |
| 80 °F | 26.666667 °C |
| 90 °F | 32.222222 °C |
| 98.6 °F | 37 °C |
| 100 °F | 37.777778 °C |
| 110 °F | 43.333333 °C |
| 150 °F | 65.555556 °C |
| 200 °F | 93.333333 °C |
| 212 °F | 100 °C |
| 300 °F | 148.88889 °C |
| 350 °F | 176.66667 °C |
| 375 °F | 190.55556 °C |
| 400 °F | 204.44444 °C |
| 450 °F | 232.22222 °C |
Converting degrees Celsius back to degrees Fahrenheit
Use the reverse formula. See the Degrees Celsius to Degrees Fahrenheit converter, or press the swap button above.
About the units
Degree Fahrenheit (°F)
Water freezes at 32 °F and boils at 212 °F at sea level. Used for everyday temperatures in the US.
Degree Celsius (°C)
Water freezes at 0 °C and boils at 100 °C at sea level. A step of one degree equals one kelvin.
Temperature scales do not share a zero, so converting between them needs an offset as well as a factor. Water freezes at 0 °C, 32 °F and 273.15 K. A change of one degree Celsius equals a change of one kelvin and 1.8 degrees Fahrenheit.
Questions and answers
What is 0 °F in °C?
0 °F is −17.77777778 °C.
What is 100 °F in °C?
100 °F is 37.77777778 °C.
How do I convert degrees Fahrenheit to degrees Celsius?
To convert degrees Fahrenheit to degrees Celsius, subtract 32, then multiply by 5/9. The formula is °C = (°F − 32) × 5/9. For example, 100 °F = 37.777778 °C.
What is 100 °F in °C?
100 degrees Fahrenheit is 37.77777778 degrees Celsius.
At what temperature are Celsius and Fahrenheit equal?
At −40. −40 °C and −40 °F are the same temperature.
Does this °F to °C converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.