40 degrees Celsius = 104 degrees Fahrenheit
It is also -40-40 degrees Celsius equals - 40 degrees Fahrenheit. Easy to remember.
For every 1 degree Fahrenheit there is a negative number of Celsius (17.2 estimate) But in answer to your question 40 degrees Fahrenheit equals around 4 degrees Celsius
Minus 40 degrees Fahrenheit is minus 40 degrees Celsius.
-40 degrees
40 degrees Fahrenheit, as 20 degrees Celsius equals 68 degrees Fahrenheit
(-40) degrees Fahrenheit = (-40) degrees Celsius.
40 degrees Fahrenheit = 4.4 degrees Celsius.
40 degrees Fahrenheit = 4.44444444 degrees Celsius
(-40) degrees Fahrenheit = -40 degrees Celsius.
-40 degrees Celsius = -40 degrees Fahrenheit
-40 degrees Celsius is -40 degrees Fahrenheit.
It's the same: -40 degrees Celsius