Kilocalories Conversion Charts. Choose a 1200 calorie menu plan based on the number of meals per day you like to eat and your food preferences. Fuel efficiency mass unit conversion between kilojoule/kilogram and kilocalorie/kilogram, kilocalorie/kilogram to kilojoule/kilogram conversion in batch, kJ/kg kcal/kg conversion chart Convert 12.00 kJ to calories (cal). 12.00 kJ cal Convert 168 kcal to kilojoules (kJ) 168 kcal- kJ Get more help from Chegg Get 1:1 help now from expert Chemistry tutors Many Other Conversions. Instantly Convert Kilocalories (kcal) to Kilojoules (kJ) and Many More Energy, Work, And Heat Conversions Online. FREE sample 1200 calorie diet menus written by a registered dietitian.