The result of your conversion between gram calorie and nanojoule appears here
To convert between Gram Calorie and Nanojoule you have to do the following:
First divide 4.1858 / 1.0e-09 = 4185800000.
Then multiply the amount of Gram Calorie you want to convert to Nanojoule, use the chart below to guide you.
Symbol: g cal
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Symbol: nJ
No description