Good to know
A nutritional Calorie is a kilocalorie, equal to 4,184 joules. The smaller scientific calorie equals 4.184 joules.
How to use this energy converter
- Enter a number in either value field.
- Choose the starting and target units.
- Copy the calculated result or swap the direction.
Popular energy conversions
Jump straight to a specific pair, each with its own formula and conversion table.
kwh to mjmj to kwhcalories to kjkj to calorieskcal to kjkj to kcaljoules to caloriescalories to joulesbtu to kwhkwh to btuwh to kwhkwh to whkj to joulesjoules to kj