QuickWebCalcs

Fahrenheit to Celsius

Quickly convert temperatures from Fahrenheit back to Celsius.

Convert Fahrenheit to Celsius (°F to °C)

If you live outside the United States, seeing weather reported in Fahrenheit can be incredibly confusing. Use our live calculator to instantly convert Fahrenheit back to the global standard Celsius.

Mental Math Trick

Want a quick way to estimate the conversion in your head? Subtract 30 from the Fahrenheit temperature, then divide by 2. It won't be perfect, but it will give you a close approximation! For exact numbers, use our calculator above.

Frequently Asked Questions

The formula is: (°F - 32) × 5/9 = °C. First subtract 32 from the Fahrenheit temperature, then multiply by 5/9.
Yes! -40 degrees is the exact point where the Fahrenheit and Celsius scales intersect and equal the same temperature.
A normal body temperature is roughly 98.6°F, which converts to 37°C.