Best Answer

The difference between kcal and cal is 1000 cal = 1 kcal.

However, we usually count food calories with kcal, and use kcal and cal

interchangeably. Therefore, 9 kcal [Food Calories] = 9 cal.

So, to the point: If there are 9 kcal in 1 g of fat, there are 9000 kcal in

1 kg of fat (1 kg = 1000 g).

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Q: If there are 9kcal in 1g of fat how many in 1kg?
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