fahrenheit to celsius converter

Convert Fahrenheit (°F) to Celsius (°C) for school, work, travel or projects. Enter any finite value, reverse the units, copy the result and keep the calculation on your device.

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Value

From

Result

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Formula

°C = (°F − 32) × 5/9

The converter uses the defined base unit for Temperature; temperature pairs use an offset formula. Values are rounded only for display.

Worked example

For example, 5 °F = -15 °C. Try another value above to calculate it locally.

Common values

1 °F = -17.22222222 °C

5 °F = -15 °C

10 °F = -12.22222222 °C

20 °F = -6.66666667 °C

50 °F = 10 °C

100 °F = 37.77777778 °C

celsius to fahrenheit converter →

How to use the fahrenheit to celsius

1 Enter a value in Fahrenheit (°F).
2 Check the Fahrenheit (°F) to Celsius (°C) formula and common values table.
3 Copy the result or swap the units for the reverse conversion.

Frequently asked questions

What does the fahrenheit to celsius converter calculate?

Fahrenheit (°F) values are converted to Celsius (°C) using the selected unit definition. Temperature uses its offset formula rather than a simple multiplication.

Does this converter upload my value?

No. The calculation runs locally in your browser, and the value is not sent to a server.

Can I convert the result back?

Yes. Use the reverse conversion link or swap the units in the converter.

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