Fahrenheit to Celsius Converter

Convert Fahrenheit (°F) to Celsius (°C) using the standard formula.

1 °F = -17.22222222 °C

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Formula

°C = (°F − 32) × 5/9

Example

To convert -40 Fahrenheit to Celsius:

-40 °F → -40 °C

Conversion table

Fahrenheit Celsius
-40 °F-40 °C
32 °F0 °C
68 °F20 °C
98.6 °F37 °C
212 °F100 °C

Explanation

Fahrenheit is common in the US. Celsius is used in most countries. This conversion includes a subtraction offset (−32) before scaling.

How to convert Fahrenheit to Celsius

  1. Take the value in °F.
  2. Multiply by 0.55555556 and then add -17.777778.
  3. The result is the length in °C.

Example: 8 °F → -13.333333 °C.

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