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How to use the Fahrenheit to Celsius
- 1Type the value you want to convert.
- 2The result updates instantly as you type.
- 3Use the swap button to convert in the other direction, or check the chart below.
How to convert 0 °F to Celsius
Subtract 32, then multiply by 5/9: (0 − 32) × 5/9 = -17.78 °C. Quick estimate: subtract 30 and halve it, which gives -15 °C (close for everyday temperatures).
What does 0 °F feel like?
0 °F (-17.8 °C) is freezing: water turns to ice at 32 °F (0 °C).
Nearby values
| Fahrenheit | Celsius |
|---|---|
| -40 °F | -40 °C |
| -4 °F | -20 °C |
| 0 °F | -17.8 °C |
| 10 °F | -12.2 °C |
| 20 °F | -6.7 °C |
| 32 °F | 0 °C |
| 40 °F | 4.4 °C |
| 50 °F | 10 °C |
Popular conversions
Frequently asked questions
What is 0 °F in Celsius?
0 °F is -17.78 °C: (0 − 32) × 5/9.
What is 0 °F in Kelvin?
0 °F is 255.37 K (add 273.15 to the Celsius value).