kg to g

There are 0.001 kilograms (kg) in 1 gram (g). They are both measurements of mass/weight in the metric system of measurement. The kilogram is the base unit of mass in the International System of Units (SI).

The gram used to be part of a different system of measurement, the centimetre-gram-second system of units, and was defined based on the weight of a specific volume of pure water under certain conditions. Now however, it is defined in terms of the kilogram, as being one-thousandth of a kilogram.

Kilograms to grams conversion

The following converter can be used to convert from kilograms to grams or grams to kilograms. Just enter a value in either kilograms or grams to convert between the two.


Kilograms to grams conversion explanation

The relationship between kilograms and grams can be identified using SI prefixes. The "kilo-" prefix indicates 103:

1 kg = 1000 g

1 g =

Using this relationship, we can convert a measurement in kilograms to grams by multiplying by 1000, or convert a measurement in grams to kilograms by dividing by 1000.


1. Convert 22 kilograms to grams:

22 kg × 1000 = 22000 g

2. Convert 172 grams to kilograms:

172 g ÷ 1000 = 0.172 kg