Fahrenheit to Celsius converter

Convert °F to °C instantly. Type any value and get the result in celsius. 1 °F = -17.2222 °C.

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Temperature›°F → °C

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1 °F=

-17.2222°C

formula1 °F = -17.2222 °C

Common fahrenheit → celsius

table

	=	-17.2222 °C
	=	-16.6667 °C
	=	-15 °C
	=	-12.2222 °C
	=	-6.66667 °C
	=	10 °C
	=	37.7778 °C
	=	260 °C
	=	537.778 °C

Need a different value? .

Convert the other way

Celsius to Fahrenheit

How to convert fahrenheit to celsius

The conversion from Fahrenheit to Celsius uses the formula below. Unlike length or weight, temperature scales don’t share a zero point, so you can’t just multiply.

Formula

°C = °F (− 32) × 5/9

For example:

→5 °F = -15 °C
→100 °F = 37.7778 °C

Quick reference

▸1 °F = -17.2222 °C
▸1 °C = 33.8 °F
▸Mental math: Subtract 30 and halve it. (Exact: − 32, × 5/9.)

When you need to convert °F to °C

·Cooking — oven temperatures, candy stages, sous-vide setpoints.
·Weather — daily forecasts in different countries.
·Health — body temperature and fever thresholds.
·Science — converting lab measurements between scales.
·Travel — knowing what to pack for the climate.

Frequently asked

How many celsius are in 1 fahrenheit?

These units don’t convert by a flat ratio, but 1 °F corresponds to -17.2222 °C via the formula °C = °F (− 32) × 5/9.

How do I convert °F to °C in my head?

Subtract 30 and halve it. (Exact: − 32, × 5/9.)

What is the formula for fahrenheit to celsius?

°C = °F (− 32) × 5/9.

What is the reverse — how many fahrenheit in 1 celsiu?

1 °C corresponds to 33.8 °F via the reverse formula.

Related conversions

Celsius to Fahrenheit

1 °C = 33.8 °F

Fahrenheit to Kelvin

1 °F = 255.928 K

Fahrenheit to Rankine

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