Fahrenheit to Celsius Converter
Convert Fahrenheit to Celsius with a verified conversion relationship, adjustable precision, and practical reference values.
Conversion formula
Subtract 32 from the Fahrenheit value, then multiply by 5/9.
The underlying relationship is exact; decimal factors may be rounded on the page for readability.Read our methodology.
Worked example
Convert 10 Fahrenheit to Celsius:
Common Fahrenheit to Celsius conversions
| Fahrenheit | Celsius |
|---|---|
| 1 | -17.22222222 |
| 2 | -16.66666667 |
| 5 | -15 |
| 10 | -12.22222222 |
| 25 | -3.888888889 |
| 50 | 10 |
| 100 | 37.77777778 |
Reverse conversion
Celsius to Fahrenheit
Switch the direction and use the dedicated reverse-conversion page.
More units
Temperature Converter
Convert between all supported units in this measurement category.
Frequently asked questions
How many Celsius are in 1 Fahrenheit?
1 Fahrenheit equals -17.2222222222 Celsius. The displayed decimal may be rounded for readability.
How do I convert Fahrenheit to Celsius?
Subtract 32 from the Fahrenheit value, then multiply by 5/9. You can also enter any value in the calculator above for an instant result.
How precise is the Fahrenheit to Celsius conversion?
The calculator uses the defined conversion relationship for these units. Where the relationship produces a repeating or non-terminating decimal, the page rounds the displayed value while the calculator keeps additional numerical precision.
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