Convert Grams to Kilograms

Enter the weight in grams below to get the value converted to kilograms.

Results in Kilograms:

1 g = 0.001 kg

Do you want to convert kilograms to grams?

How to Convert Grams to Kilograms

conversion scale showing grams and equivalent kilograms weight values

To convert a gram measurement to a kilogram measurement, multiply the weight by the conversion ratio. One gram is equal to 0.001 kilograms, so use this simple formula to convert:

kilograms = grams × 0.001

The weight in kilograms is equal to the grams multiplied by 0.001.

For example, here's how to convert 5 grams to kilograms using the formula above.

5 g = (5 × 0.001) = 0.005 kg

Grams and kilograms are both units used to measure weight. Keep reading to learn more about each unit of measure.

Grams

A gram is the mass/weight equal to 1/1,000 of a kilogram, and is roughly equal to the mass of one cubic centimeter of water.

The gram, or gramme, is an SI unit of weight in the metric system. Grams can be abbreviated as g, for example 1 gram can be written as 1 g.

Kilograms

One kilogram is equal to the mass of the platinum-iridium bar which is stored in Sèvres, France. It is roughly equal to the mass of 1,000 cubic centimeters of water.

The kilogram, or kilogramme, is the SI base unit for weight, and is also a multiple of the gram. In the metric system, "kilo" is the prefix for 10³. Kilograms can be abbreviated as kg, for example 1 kilogram can be written as 1 kg.

Gram Measurements and Equivalent Kilogram Conversions

Common gram values converted to the equivalent kilogram value
Grams	Kilograms
1 g	0.001 kg
2 g	0.002 kg
3 g	0.003 kg
4 g	0.004 kg
5 g	0.005 kg
6 g	0.006 kg
7 g	0.007 kg
8 g	0.008 kg
9 g	0.009 kg
10 g	0.01 kg
11 g	0.011 kg
12 g	0.012 kg
13 g	0.013 kg
14 g	0.014 kg
15 g	0.015 kg
16 g	0.016 kg
17 g	0.017 kg
18 g	0.018 kg
19 g	0.019 kg
20 g	0.02 kg
21 g	0.021 kg
22 g	0.022 kg
23 g	0.023 kg
24 g	0.024 kg
25 g	0.025 kg
26 g	0.026 kg
27 g	0.027 kg
28 g	0.028 kg
29 g	0.029 kg
30 g	0.03 kg
31 g	0.031 kg
32 g	0.032 kg
33 g	0.033 kg
34 g	0.034 kg
35 g	0.035 kg
36 g	0.036 kg
37 g	0.037 kg
38 g	0.038 kg
39 g	0.039 kg
40 g	0.04 kg