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Fahrenheit to Celsius Converter

Temperature conversion

Enter a temperature in degrees Fahrenheit to convert it to degrees Celsius. Negative temperatures are supported and the Kelvin equivalent is shown with every result.

Fahrenheit to Celsius Converter — enter your values

Absolute zero is −459.67 °F.

Results update as you type.


Celsius

37 °C

Kelvin
310.15 K
Fahrenheit entered
98.6 °F

Calculation

  1. (98.6 − 32) × 5 ÷ 9 = 37 °C

Formula

°C = (°F − 32) × 5 / 9

Worked examples

  1. Body temperature

    (98.6 − 32) × 5 ÷ 9

    = 37 °C

  2. Freezing point of water

    (32 − 32) × 5 ÷ 9

    = 0 °C

  3. Hot oven

    (400 − 32) × 5 ÷ 9

    = 204.44 °C

How the conversion works

Subtract 32 first to line up the zero points of the two scales, then multiply by 5/9 because a Fahrenheit degree is smaller than a Celsius degree.

Frequently asked questions

What is 72 °F in Celsius?
72 °F is about 22.2 °C, a typical comfortable room temperature.
Can I enter negative Fahrenheit values?
Yes. Any value down to absolute zero (−459.67 °F) is accepted.

Sources & references

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