The result of your conversion between Btu and gram calorie appears here
To convert between Btu and Gram Calorie you have to do the following:
First divide 1055.0559 / 4.1858 = 252.05597496
Then multiply the amount of Btu you want to convert to Gram Calorie, use the chart below to guide you.
Symbol: Btu
No description
Symbol: g cal
No description