Answer :

To convert from kilograms to grams, follow these steps:

1. Understand the conversion factor:
There are 1000 grams in 1 kilogram.

2. Multiply the number of kilograms by the conversion factor:
Since 1 kilogram is equal to 1000 grams, you can multiply the number of kilograms by this conversion factor.

For this specific problem:
[tex]\[ 3 \text{ kilograms} \times 1000 \text{ grams/kilogram} = 3000 \text{ grams} \][/tex]

So, 3 kilograms is equal to 3000 grams.