Formula and example
Subtract 32 from Fahrenheit, then multiply by 5/9. To convert Celsius to Fahrenheit, multiply by 9/5 and add 32.
68°F = 20°C.
Type a value to update the result. Rounding is for display; it does not change the conversion factor.
Fahrenheit to Celsius Converter
Convert degrees Fahrenheit to degrees Celsius instantly with a free calculator, formula and worked example.