1 kilogram = 1000 grams, it is equivalent of saying that 1 gram = 1/1000 kilograms.

Therefore, to find out what 4000 grams is in kilograms we simply take the number in grams divided by 1000, which is equivalent to moving the decimal point 3 positions to the left. Mathematically, it is expressed as,

4000 grams = 4000 / 1000 kilograms = 4 kilograms.

I hope this answers your question clear enough!

A "kilogram" is the name given to a group of 1,000 ("kilo" meaning 1,000) grams. Thus every group of 1,000 grams equals 1 kilogram.

4,000 grams is 4 groups of 1,000 grams each. This then equals 4 kilograms.

4000 grams equals 4 kilograms.

Gram - A metric unit of weight equal to one thousandth of a kilogram; 1 ounce is about 28 grams.

Kilogram - One kilogram is equivalent to 1,000 grams or 2.2 pounds; the mass of a liter of water.

Since 1 kg = 1000 grams, then 4 kg = 4000 grams. The formula to convert grams to kg is take the number of grams, then move the decimal point 3 places to the left.

...4000 grams = 4 kilograms

To convert grams to kilograms, divide the grams by 1000 or simply move the decimal point 3 places to the left.