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Convert grams to kilograms

1 gram equals 0.001 kilograms. Type any number below — the other side updates instantly.

Grams to kilograms — quick reference

gramskilograms
1 g0.001 kg
10 g0.01 kg
50 g0.05 kg
100 g0.1 kg
250 g0.25 kg
500 g0.5 kg
750 g0.75 kg
1000 g1 kg
1500 g1.5 kg
2000 g2 kg
5000 g5 kg
10000 g10 kg

How to convert

Multiply the number of grams by 0.001 to get kilograms. To go the other way, multiply kilograms by 1000 to get grams. The conversion factor is fixed and exact, so you can use this on any value.

About these units

Grams

Definition
A gram (symbol: g) is one-thousandth of a kilogram, the SI base unit of mass. 1 g is roughly the mass of a paper clip.
History
Originally defined as the mass of one cubic centimeter of water at 4°C. The kilogram has since become the base unit, with the gram derived from it.
Current use
Standard for cooking, food labels, medication, jewelry, and small-quantity science worldwide outside the United States.

Kilograms

Definition
A kilogram (symbol: kg) is the SI base unit of mass. Since 2019 it has been defined by fixing the Planck constant.
History
The kilogram was originally defined in 1799 as the mass of one liter of water. It was the last SI base unit to be defined by a physical artifact (the IPK in Paris) — replaced by a fundamental-constant definition in 2019.
Current use
The kilogram is the standard unit of mass for science, commerce, and everyday use in every country except the United States.

Frequently asked

How many kilograms are in 1 gram?
1 gram = 0.001 kilograms.
How do you convert grams to kilograms?
Multiply the number of grams by 0.001 to get kilograms. To go the other way, multiply kilograms by 1000 to get grams. The conversion factor is fixed and exact, so you can use this on any value.
What is 750 grams in kilograms?
750 grams = 0.75 kilograms.
Reverse conversionKilograms to grams

Convert grams to other mass units

Convert other mass units to kilograms

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