In Celsius degrees, 10° below the freezing point of water is -10° .
In Fahrenheit: 35 degrees below freezingIn Celsius, 3 degrees below freezing.(In both cases, we're using "freezing" to meanthe freezing temperature of water.)
Freezing on the Fahrenheit scale is 32 degrees, so 1 degree F would be 31 degrees F below freezing.
5 °C - 10 °C = -5 °C (i.e. 5 degrees Celsius below 0 °C or 5 °C below freezing)
-40 is already below freezing since water freezes at 32 Fahrenheit or 0 Celsius
To convert between degrees Celsius and degrees Fahrenheit, take the number, multiply it by 9, divide it by 5, and add 32. To use an example below freezing, -5 x 9 = -45 / 5 = -9 + 32 = 21 degrees Fahrenheit.
-18 degrees Celsius is colder because it is farther below freezing, which is 0ºC
-16 degrees Celsius is 28.8 degrees below freezing (3.2 degrees Fahrenheit).
32 Degrees F and below = For Fahrenheit Below 0 degrees in Celsius
0 degrees Celsius is freezing, but really water freezes at just BELOW that temperature.
In Fahrenheit: 35 degrees below freezingIn Celsius, 3 degrees below freezing.(In both cases, we're using "freezing" to meanthe freezing temperature of water.)
Above freezing water freezes at 0 degress celsius.
Below 0 degrees Celsius
Freezing on the Fahrenheit scale is 32 degrees, so 1 degree F would be 31 degrees F below freezing.
Below freezing; 29°F
-12 C
The two temperature scales have different "starting points" - zero in Celsius is the freezing point of water, while zero in Fahrenheit is the freezing point of brine (salty water). So 1° Celsius is above freezing while 1° Fahrenheit is below freezing, the freezing point of pure water being 0°C but 32° F *.A change of 1 degree Celsius is also a larger change than 1 degree Fahrenheit. Fahrenheit "degrees" are smaller than Celsius "degrees," as there are 180 of them between the freezing and boiling points of water (only 100 in Celsius).*For comparison a thermometer reading of 1° F is the same as -17.2° C
5 °C - 10 °C = -5 °C (i.e. 5 degrees Celsius below 0 °C or 5 °C below freezing)