Convert Gram to Kilogram
Convert Gram to Kilogram instantly. 1 g = 0.001 kg. Formula, worked examples and a quick reference table.
Last updated
One gram equals 0.001 kilogram. To convert any number of grams to kilograms, multiply by 0.001.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Gram to Kilogram formula
To go the other way, use gram = kilogram ÷ 0.001.
About these units
Since 2019 the kilogram has been defined by the Planck constant rather than a metal cylinder in Paris, making it reproducible in any properly equipped laboratory.
Gram to Kilogram conversion table
| Gram | Kilogram |
|---|---|
| 1 g | 0.001 kg |
| 2 g | 0.002 kg |
| 3 g | 0.003 kg |
| 5 g | 0.005 kg |
| 10 g | 0.01 kg |
| 20 g | 0.02 kg |
| 25 g | 0.025 kg |
| 50 g | 0.05 kg |
| 100 g | 0.1 kg |
| 250 g | 0.25 kg |
| 500 g | 0.5 kg |
| 1,000 g | 1 kg |
Frequently asked questions
How many kilograms are in a gram? +
There are 0.001 kilograms in one gram.
What is 10 g in kg? +
10 g equals 0.01 kg. Multiply 10 by 0.001.
How do I convert kilogram back to gram? +
Use gram = kilogram ÷ 0.001. The converter above handles both directions, or see our dedicated Kilogram to Gram page.