How many kilograms are in 1000 kcal?

To convert kilocalories (kcal) to kilograms, you need to know the specific substance or food you are referring to, as the conversion factor varies depending on the substance.

For example, if you are referring to carbohydrates, which provide approximately 4 kcal per gram, you can use the following conversion factor:

1 kcal = 0.000239006 kg

Therefore, 1000 kcal would be equal to:

1000 kcal x 0.000239006 kg/kcal = 0.239006 kg

So, 1000 kcal is approximately equal to 0.239006 kilograms of carbohydrates.

If you are referring to a different substance, you would need to use the specific conversion factor for that substance.