Question: how many grams is kilojoule?
Answer: The answer is 0.0041858. We assume you are converting between kilojoule and gram calorie. You can view more details on each measurement unit: kilojoules or gram calorie The SI derived unit for energy is the joule. 1 joule is equal to 0.001 kilojoules, or 0.23890295761862 gram calorie.