How do you convert kilogram to gram?

Hint: The conversion factor used in kilogram to gram is $1000$ and they are mass units of measurement used in daily life practices. If you want to find the number of grams in a kilogram, you will multiply the value by $1000$.

Complete step by step solution:
We know the conversion factor of kilogram to grams is:
$1$ kilogram $ = 1000$grams
To find how many grams in $n$ kilograms we can multiply each side of the equation by $n$ giving:
$n \times 1$ kilograms = $1000 \times n$ grams
 $n$ kilograms =$1000n$ grams
Therefore, there are 1000n grams in n kilograms.

Note: To solve such types of problems we have to convert both Quantities into one unit. that is, both should be in grams or both should be in kilograms.
The kilogram or kilogramme, (symbol: kg) is the SI base unit of mass. A gram is defined as one thousandth of a kilogram. Conversion of units describes equivalent units of mass in other systems.