Fahrenheit to Celsius conversion formula

°C = (°F − 32) × 5/9. To convert fahrenheit to celsius, use the calculator above — it updates instantly as you type, and you can hit the swap button to reverse the conversion.

Frequently asked questions

How do I convert fahrenheit to celsius?

°C = (°F − 32) × 5/9. Enter your value in the calculator above and it converts instantly.

What is 1 fahrenheit in celsius?

1 fahrenheit equals -17.222222 celsius.

Is the fahrenheit to celsius conversion exact?

Yes — this converter uses the standard defined conversion factor, so results are precise to the decimal places shown.