Convert -40 Fahrenheit to Celsius

What is minus 40 Fahrenheit in Celsius? How cold is minus 40 degrees Fahrenheit? 40° below zero from F to C.

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-40 °Fahrenheit =

-40 °Celsius

exact result

About

Fahrenheit is a scale commonly used to measure temperatures in the United States.

Celsius, or centigrade, is used to measure temperatures in most of the world. Water freezes at 0° Celsius and boils at 100° Celsius.

Inverse Conversion

Conversion Formula

°Celsius =	5	* (°Fahrenheit - 32)
	9

Selected Cities by Record Low Temperature

City	°Celsius	°Fahrenheit
Yakutsk, Russia	-64.4	-84
Anchorage	-38.9	-38
Minneapolis	-36.7	-34
Toronto	-32.8	-27
Denver	-31.7	-25
Chicago	-31.7	-25
New York City	-26.1	-15
Berlin	-26.0	-15
Paris	-23.9	-11
Atlanta	-22.2	-8
Dallas	-19.4	-3
London	-17.4	1
Seattle	-17.8	0
Rome	-11.0	12
San Francisco	-2.8	27
Los Angeles	-2.8	27
Miami	-2.2	28
Honolulu	10.0	50

Nearby Values

(results may be rounded)

°Fahrenheit	°Celsius
-40.00	-40.000
-39.99	-39.994
-39.98	-39.989
-39.97	-39.983
-39.96	-39.978
-39.95	-39.972
-39.94	-39.967
-39.93	-39.961
-39.92	-39.956
-39.91	-39.950
-39.90	-39.944
-39.89	-39.939
-39.88	-39.933
-39.87	-39.928
-39.86	-39.922
-39.85	-39.917
-39.84	-39.911
-39.83	-39.906
-39.82	-39.900
-39.81	-39.894
-39.80	-39.889
-39.79	-39.883
-39.78	-39.878
-39.77	-39.872
-39.76	-39.867
-39.75	-39.861
-39.74	-39.856
-39.73	-39.850
-39.72	-39.844
-39.71	-39.839
-39.70	-39.833
-39.69	-39.828
-39.68	-39.822
-39.67	-39.817

°Fahrenheit	°Celsius
-39.66	-39.811
-39.65	-39.806
-39.64	-39.800
-39.63	-39.794
-39.62	-39.789
-39.61	-39.783
-39.60	-39.778
-39.59	-39.772
-39.58	-39.767
-39.57	-39.761
-39.56	-39.756
-39.55	-39.750
-39.54	-39.744
-39.53	-39.739
-39.52	-39.733
-39.51	-39.728
-39.50	-39.722
-39.49	-39.717
-39.48	-39.711
-39.47	-39.706
-39.46	-39.700
-39.45	-39.694
-39.44	-39.689
-39.43	-39.683
-39.42	-39.678
-39.41	-39.672
-39.40	-39.667
-39.39	-39.661
-39.38	-39.656
-39.37	-39.650
-39.36	-39.644
-39.35	-39.639
-39.34	-39.633
-39.33	-39.628

°Fahrenheit	°Celsius
-39.32	-39.622
-39.31	-39.617
-39.30	-39.611
-39.29	-39.606
-39.28	-39.600
-39.27	-39.594
-39.26	-39.589
-39.25	-39.583
-39.24	-39.578
-39.23	-39.572
-39.22	-39.567
-39.21	-39.561
-39.20	-39.556
-39.19	-39.550
-39.18	-39.544
-39.17	-39.539
-39.16	-39.533
-39.15	-39.528
-39.14	-39.522
-39.13	-39.517
-39.12	-39.511
-39.11	-39.506
-39.10	-39.500
-39.09	-39.494
-39.08	-39.489
-39.07	-39.483
-39.06	-39.478
-39.05	-39.472
-39.04	-39.467
-39.03	-39.461
-39.02	-39.456
-39.01	-39.450