The result of your conversion between gram calorie and grain/cubic foot appears here
To convert between Gram Calorie and Grain/cubic Foot you have to do the following:
First divide 4.1858 / ((0.45359237/16)*(192/175)/480)/((0.0037854118/231)*1728) = 1829.17670939
Then multiply the amount of Gram Calorie you want to convert to Grain/cubic Foot, use the chart below to guide you.
Symbol: g cal
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Symbol: gr/ft³
No description