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Fahrenheit to Celsius

Quickly convert fahrenheit to celsius with the exact formula and a ready-made reference table below.

Result
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Quick Reference: Fahrenheit to Celsius

FahrenheitCelsius

How to Convert Fahrenheit to Celsius

To convert fahrenheit to celsius, use the formula below, or simply enter a value in the calculator above for an instant result. This conversion is commonly used for weather and oven temperatures, especially when working between measurement systems used in most of the world, which uses Celsius.

Example Calculation

Common conversions: 32 °F = 0 °C, 68 °F = 20 °C, 98.6 °F = 37 °C, 212 °F = 100 °C, 0 °F = -17.7778 °C.

Formula / Calculation Method

(°F − 32) × 5/9 = °C

How to Use This Tool

  1. Enter a value in fahrenheit in the calculator above.
  2. Confirm the "From" unit is set to Fahrenheit and "To" is set to Celsius.
  3. Read the converted result instantly, or check the reference table for common values.
  4. Use the swap button to convert in the opposite direction.

Common Use Cases

Converting weather and oven temperatures
Working with measurements from most of the world, which uses Celsius
Double-checking manual unit conversions
Quick reference while shopping, cooking or traveling

Related Tools

Temperature ConverterConvert between Celsius, Fahrenheit and Kelvin instantly. Celsius to FahrenheitConvert Celsius to Fahrenheit with formula and a quick reference table.

Frequently Asked Questions

What is the formula to convert fahrenheit to celsius?

(°F − 32) × 5/9 = °C. You can also just enter a value into the calculator above for an instant, precise result.

Is this fahrenheit to celsius conversion exact?

Yes — the calculator uses precise standard conversion factors and full floating-point precision, only rounding the final number for display.