Fahrenheit to Celsius Converter

Convert °F to °C instantly with a clear formula and reverse check.

Enter your numbers

Converted value20 °C
Conversion relationship°C = (°F − 32) × 5 ÷ 9
Reverse check20 °C = 68 °F

Uses the published unit definition; displayed decimals are rounded.

Practical guide

Fahrenheit to Celsius Converter

Worked example

Here is a simple °F → °C example:

68 °F → 20 °C.

Common mistakes to avoid

  • Check the source unit before entering the value.
  • Use the reverse conversion to verify the relationship.
  • Displayed results may be rounded.

Frequently asked questions

What does the °F → °C calculate?

Convert °F to °C instantly with a clear formula and reverse check.

Which formula is used?

°C = (°F − 32) × 5 ÷ 9

Can I rely on this result?

Use the result as a planning estimate. Check important financial, tax, legal, investment, or health decisions with a qualified professional.