Convert 21,000 Kilojoules to Calories
How much energy is 21,000 kilojoules? How many nutritional calories are in 21 thousand kilojoules? 21,000 kJ to kcal conversion.
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21,000 Kilojoules ≈
5,019.1205 Nutritional Calories
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Result in Plain English
21 thousand kilojoules is equal to about 5,020 Calories.
In Scientific Notation
21,000 kilojoules
= 2.1 x 104 kilojoules
≈ 5.01912 x 103 Calories
Kilojoules
A kilojoule is 1,000 joules. In some countries, food is labeled in kilojoules, much like kilocalories are used in the United States.
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.