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
1000 SI “calories” = 1 SI kilocalorie = 1 “food Calorie”
One SI calorie is the amount of energy required to raise 1 gram (1ml) pf water 1 degree C. Or, 1 food Calorie contains enough energy, assuming it was perfectly transferred, to raise 1L of water 1 degree C.
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