Fahrenheit to Celsius Converter
Let's see how to convert -40 degrees Fahrenheit To Celsius .
Fahrenheit — -40 °F = Celsius — -40.00 °C
°C = (°F - 32) ÷ (9/5)
°C = (-40 -32) ÷ 1.8
°C = -72 ÷ 1.8
°C = -40.00
-40 degrees Fahrenheit is equal to -40.00 degrees Celsius.
This calculator will show the steps to solve the °F to °C formula, so you know how make the conversion yourself.
You can first subtract 30 from the Celsius value, and then divide by 2. to get an approximate Fahrenheit value.
Let's see how to convert -40 degrees Fahrenheit to Celsius using this method:
1) -40 - 30 = -70
2) -70 ÷ 2 = -35
Finally, you get the result: -35 °F. (NOTE: This is a quick estimation result.)