Enter your values below to convert Kilojoules to Calories and vice-versa. Choose Conversion Type: Kilojoules to Calories Calories to Kilojoules Enter Value: Convert You may also like: BMI Calculator DRI Calculator Pregnancy Due Date Calculator Calorie Calculator Sleep Calculator Related Categories Building & Construction Converters Educational Calculators Everyday Calculators Farming Calculators Financial Calculators Health & Fitness Calculators Numbers & Generators Randomization Traffic Fines Estimator