Convert 1 Calorie to Kilojoules
How much energy is 1 Calorie? How many kilojoules are in 1 Calorie? 1 kcal to kJ conversion.
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1 Nutritional Calorie =
4.184 Kilojoules
exact result
Decimal places
Result in Plain English
1 Calorie is equal to about 4.18 kilojoules.
Result as a Fraction
1 Calorie
= 523⁄125 kilojoules
= 4 and 23⁄125 kilojoules
In Scientific Notation
1 Calorie
= 1 x 100 Calories
= 4.184 x 100 kilojoules
Calories
A nutritional Calorie, or kilocalorie, is commonly used in food labeling. It is equal to 4.184 kilojoules. The average American consumes about 2,700 kilocalories per day.
Kilojoules
A kilojoule is 1,000 joules. In some countries, food is labeled in kilojoules, much like kilocalories are used in the United States.