Question: 1 kg is how many megajoule?
Answer: The answer is 0.0041858. We assume you are converting between megajoule and kilogram calorie. You can view more details on each measurement unit: megajoule or kilogram calorie The SI derived unit for energy is the joule. 1 joule is equal to 1.0E-6 megajoule, or 0.00023890295761862 kilogram calorie.