why is kilocalorie and calorie used interchangeably?

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From what I understand, kilo is used for a 1000 units of something. Like kilometer is 1000 meters, kilogram is 1000 gram and so on. But when it comes to the food we consume, when we say coconut water has 18 kilocalorie/100 gm, why does it not mean 18000 calorie in general sense?

In: Physics

10 Answers

Anonymous 0 Comments

We use calorie in 2 ways. One for energy (calorie) the other only used for food based energy (Calorie).

And 1 Calorie = 1000 calories.

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