EngiRef / Mass conversion

Convert Grams to Kilograms (g to kg)

1 g = 0.001 kg. Convert grams to kilograms with the exact factor, a common-values table and a free converter.

MassSingle factor7 worked values

Conversion factor

kg = g × 0.001

1 g = 0.001 kg

Multiply by 0.001 kg to go from grams to kilograms, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.

g to kg table

Common grams values converted to kilograms
Grams (g)Kilograms (kg)
1 g0.001 kg
2 g0.002 kg
5 g0.005 kg
10 g0.01 kg
20 g0.02 kg
50 g0.05 kg
100 g0.1 kg

Every figure is computed at build time by the site’s own converter from the mass unit registry. For a value that is not listed, put it into the interactive converter.

Frequently asked questions

How many kilograms are in one gram?

One gram is 0.001 kg, so 100 g is 0.1 kg.

What is the formula to convert grams to kilograms?

kg = g × 0.001. Multiply the value in grams by 0.001 to get kilograms.

How do I convert kilograms back to grams?

g = kg × 1000, so 1 kg is 1000 g. The kg to g page carries the same table in that direction.