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Temperature Converter

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... Fahrenheit = ... Celsius

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Fahrenheit to Celsius Converter

Use this page to convert fahrenheit values into celsius, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

This conversion uses an offset formula rather than a single multiplier because the temperature scales start from different zero points.

deg F to deg C: Apply the scale formula and then add or remove the required offset.

Example: 25 deg F = -3.88888888888889 deg C

Jump to another pair

Celsius to FahrenheitCelsius to KelvinFahrenheit to KelvinKelvin to CelsiusKelvin to Fahrenheit

Fahrenheit

Fahrenheit is related to Celsius through the formula (F - 32) x 5/9 = C.

History: Daniel Gabriel Fahrenheit introduced the scale in the early eighteenth century.

Current use: Fahrenheit is common for weather, cooking, and consumer contexts in the United States.

Also written as deg F, °F, F, degF, degree F, degrees F, degree Fahrenheit, degrees Fahrenheit.

Celsius

The Celsius scale places water freezing at 0 and boiling at 100 under standard atmospheric pressure.

History: The scale evolved from the work of Anders Celsius and later refinements.

Current use: Celsius is the default temperature scale for weather and daily life in most countries.

Also written as deg C, °C, C, degC, degree C, degrees C, degree Celsius, degrees Celsius, centigrade.

Fahrenheit to Celsius table

Fahrenheit [deg F]Celsius [deg C]
0.01 deg F-17.7722222222222 deg C
0.1 deg F-17.7222222222222 deg C
1 deg F-17.2222222222222 deg C
2 deg F-16.6666666666667 deg C
5 deg F-15 deg C
10 deg F-12.2222222222222 deg C
20 deg F-6.66666666666667 deg C
50 deg F10 deg C
100 deg F37.7777777777778 deg C

Frequently asked questions

  • What is 0 Fahrenheit in Celsius?

    0 Fahrenheit equals -17.7777777777778 Celsius.

  • What is 100 Fahrenheit in Celsius?

    100 Fahrenheit equals 37.7777777777778 Celsius.

  • Why does Fahrenheit to Celsius conversion need more than a multiplier?

    Temperature scales like Fahrenheit and Celsius start from different zero points, so the conversion uses both a scale factor and an offset.

  • What is 25 Fahrenheit in Celsius?

    25 Fahrenheit equals -3.88888888888889 Celsius.