Fahrenheit to Celsius Converter

Convert temperatures from degrees Fahrenheit to degrees Celsius with a live formula and conversion table.

Subtract 32 from Fahrenheit and multiply the difference by 5/9. Water freezes at 32 °F or 0 °C and boils at 212 °F or 100 °C at standard atmospheric pressure.

How to use the converter

Choose a measurement category and two units, then enter any finite positive or negative value allowed by that measurement. Adjust decimal places when the result needs more detail. Swap Units reverses the direction without discarding the current value.

Available unit converters

Length · Area · Volume · Weight · Temperature · Speed · Pressure · Energy · Power · Data Storage · Frequency · Time · Angle

Popular unit conversions

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Calculations run locally. Display precision only changes the visible result; the converter keeps the full JavaScript numeric value for the next calculation.