The result of your conversion between gram calorie and Btu appears here
To convert between Gram Calorie and Btu you have to do the following:
First divide 4.1858 / 1055.0559 = 0.00396737
Then multiply the amount of Gram Calorie you want to convert to Btu, use the chart below to guide you.
Symbol: g cal
No description
Symbol: Btu
No description