Fahrenheit to Celsius

This calculator converts Fahrenheit to Celsius for weather, cooking, science, and dealing with unfamiliar thermostats.

The interactive fahrenheit to celsius loads right here. If it hasn't appeared, refresh the page.

Enter the temperature in degrees Fahrenheit to see its Celsius equivalent. The result can be rounded for everyday use or kept precise for technical calculations.

The formula is: Celsius = (Fahrenheit - 32) × 5 / 9. Subtract 32 from the Fahrenheit value, then divide the result by 1.8.

Worked example

For 77°F, calculate (77 - 32) × 5 / 9 = 25°C. A day at 77°F is therefore 25°C.

Common questions

What is 32°F in Celsius?

Thirty-two degrees Fahrenheit equals 0°C. This is the freezing point of fresh water under standard atmospheric pressure.

What is normal room temperature in Celsius?

A commonly used room-temperature range is about 20°C to 22°C, which equals 68°F to 71.6°F. Actual comfort depends on humidity, airflow, clothing, and personal preference.

Related conversions tools

More from DoesWhat: free calculators · emoji meanings · quick answers · the DoesWhat blog