Looking to readjust Fahrenheit to Celsius or Celsius come Fahrenheit? use our an easy Celsius come Fahrenheit Temperature Converter, our temperature conversion charts, or calculate C to F or F to C yourself utilizing the conversion formulas.

You are watching: -40 degrees celcius to fahrenheit

### About Fahrenheit and Celsius

The Fahrenheit temperature scale is named for German physicist Daniel Gabriel Fahrenheit and is the measurement the temperature frequently used by the United says (and its associated territories) and also by several countries in the Caribbean. Top top the Fahrenheit scale, water freezes in ~ 32°F and also boils at 212°F (at sea level).

The Celsius temperature scale—originally called centigrade and later renamed for swedish astronomer Anders Celsius—is used nearly everywhere else in the world. Top top the Celsius scale, water freezes in ~ 0°C and boils at 100°C (at sea level).

### F come C: Fahrenheit to Celsius conversion Calculator

FahrenheitCelsius
°F°C

Enter a worth for Fahrenheit or Celsius to convert to the other.

### F° to C°: Fahrenheit to Celsius Conversion Formula

To transform temperatures in degrees Fahrenheit to Celsius, subtract 32 and also multiply by .5556 (or 5/9).

Example: (50°F - 32) x .5556 = 10°C

Fahrenheit

Celsius

-40°F-40°C
-30°F-34°C
-20°F-29°C
-10°F-23°C
0°F-18°C
10°F-12°C
20°F-7°C
32°F0°C
40°F4°C
50°F10°C
60°F16°C
70°F21°C
80°F27°C
90°F32°C
100°F38°C

### C° to F°: Celsius to Fahrenheit Conversion Formula

To transform temperatures in degrees Celsius come Fahrenheit, multiply by 1.8 (or 9/5) and add 32.

Example: (30°C x 1.8) + 32 = 86°F

Celsius

Fahrenheit

-40°C-40°F
-30°C-22°F
-20°C-4°F
-10°C14°F
0°C32°F
10°C50°F
20°C68°F
30°C86°F
40°C104°F
50°C122°F
60°C140°F
70°C158°F
80°C176°F
90°C194°F
100°C212°F

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