# Fahrenheit to Gas Mark

Calculates the Gas Mark temperature from the given Fahrenheit scale value

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## Fahrenheit to Gas Mark

The Fahrenheit temperature scale was proposed by Daniel Gabriel Fahrenheit in 1724 with the idea of starting from a brine solution freezes as 0, and 96 is the average temperature of human body. Its unit is represented with ℉ after the value.

As the wikipedia starts saying, the Gas Mark temperature scale is used on gas ovens and cookers in the United Kingdom, Ireland and some Commonwealth of Nations countries introduced by L. Chatterton's book Modern Cookery in 1943. The unit is represented by the capital letter G after the value, fixing the degree of 1 G at 275 ℉, and each increment is equivalent to 25 ℉.

The Gas Mark degrees values are calculated based on the formula $${{5 × Fahrenheit - 1249} \over 126}$$