To convert a Fahrenheit value to the corresponding value in Celsius, just use the formula:
[°C] = ([°F] − 32) × 5⁄9
What is Fahrenheit Scale
Fahrenheit was a German engineer, physicist and glass blower who devised a temperature scale and invented the mercury thermometer.
Fahrenheit is a temperature scale where the freezing point of water is 32 degrees Fahrenheit (°F) and the boiling point 212°F (at standard atmospheric pressure). This puts the boiling and freezing points of water exactly 180 degrees apart. The following formulas can be used to convert a temperature from Fahrenheit (°F) value to other temperature scales:
Fahrenheit to Celsius
[°C] = ([°F] − 32) × 5⁄9
Fahrenheit to Delisle
[°De] = (212 − [°F]) × 5⁄6
Fahrenheit to Kelvin
[K] = ([°F] + 459.67) × 5⁄9
Fahrenheit to Newton
[°N] = ([°F] − 32) × 11⁄60
Fahrenheit to Rankine
[°R] = [°F] + 459.67
Fahrenheit to Reaumur
[°Ré] = ([°F] − 32) × 4⁄9
Fahrenheit to Romer
[°Ro] = ([°F] − 32) × 7⁄24 + 7.5
What is Celsius Scale
The Celsius scale was invented in 1742 by the Swedish astronomer Anders Celsius. It was initially defined by the freezing point of water and later changed its definition as being the melting point of ice. 100° C was defined as the boiling point of water. The Celsius scale is a derived scale once its defined in relation to the Kelvin temperature scale. 0 (zero) °C is exactly equivalent to 273.15 K, with a temperature difference of 1 °C equivalent to a difference of 1 K, meaning the unit size in each scale is the same. The Celsius temperature scale is sometimes referred to as the 'Centigrade' scale. Centigrade means divided into 100 degrees.
The following formulas can be used to convert a temperature from Celsius (°C) value to other temperature scales:
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