Fahrenheit to Celsius

1 °F = -17.222222 °C

Value

From

Precision & format

Significant figures

Notation

1 °F equals

-17.22222222°C

All 8 units

Celsius°C
-17.22222222
Fahrenheit°F
1
KelvinK
255.9277778
Rankine°R
460.67
Delisle°De
inverted scale
175.8333333
Newton°N
-5.683333333
Réaumur°Ré
-13.77777778
Rømer°Rø
-1.541666667

Fahrenheit to Celsius table

Common Fahrenheit values converted to Celsius
Fahrenheit (°F)	Celsius (°C)
1	-17.222222
2	-16.666667
5	-15
10	-12.222222
20	-6.6666667
50	10
100	37.777778
250	121.11111
500	260
1,000	537.77778

How the conversion works

Fahrenheit and Celsius are offset scales — their zero points are in different places, so converting is not a simple multiplication. Both are converted through K as an absolute reference.

Going the other way, 1 °C = 33.8 °F — see celsius to fahrenheit.

See all 8 temperature units →