Question: 2 kg how many kilograms?
Answer: How many grams in a kilogram? There are 1000 grams in a kilogram. To convert kilograms to grams, multiply the kilogram value by 1000. For example, to find out how many grams in a kilogram and a half, multiply 1.5 by 1000, that makes 1500 grams in a kilogram and a half.