Fahrenheit to Celsius Converter

Convert °F to °C accurately with the inverse of the +32 offset.

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Temperature Converter

Convert temperature units instantly

1 °F = -17.2222 °C
Live conversion result
How it works

Base unit: C. Values convert via the base unit for this category.

Formula (affine): C = F × 0.555556 − 17.7778
Use the slope/intercept form derived from exact definitions.
Examples
  • 1 F = -17.2222 C
  • 5 F = -15 C
Tips
  • Fahrenheit from Celsius: F = C × 9/5 + 32.
  • Kelvin is an absolute scale; °C = K − 273.15.

Popular conversions

FC
1-17.2222
5-15
10-12.2222
10037.7778

Examples

  • Freezing point of water:32 F = 0 C
  • Boiling point of water:212 F = 100 C

How to convert

C = F × 0.555556 + -17.7778. Multiply by 0.555556 and add -17.7778.

Related conversions

Celsius to FahrenheitC to KK to C

FAQs

  • What is the formula for Fahrenheit to Celsius?

    C = (F − 32) × 5/9.

  • What is 32 °F in °C?

    0 °C.

  • What is 212 °F in °C?

    100 °C.