Direct conversion
Convert gram [g] to kilogram [kg] instantly with formula, examples, chart, and FAQs.
1 gram [g] = 0.001 kilogram [kg]
1 gram [g] = 0.001 kilogram [kg]
Example: 1 gram [g] equals 0.001 kilogram [kg].
Weight and mass conversions use kilogram as the reference unit. Common factors include 1 pound = 0.45359237 kilogram and 1 ounce = 0.028349523125 kilogram.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The gram is a metric mass unit equal to one thousandth of a kilogram.
HistoryGrams are part of the metric system and became common for small everyday weights.
Current useGrams are used for food, nutrition, recipes, lab samples, postage, jewelry, and product labels.
The kilogram is the SI base unit of mass and is the reference unit for the weight and mass converter.
HistoryThe kilogram was historically tied to a physical prototype and is now defined using the Planck constant.
Current useKilograms are used for body weight, groceries, shipping, science, medicine, fitness, and commercial weighing.
| gram [g] | kilogram [kg] |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 1000 | 1 |
Use this formula: 1 gram [g] = 0.001 kilogram [kg] Enter your value in the calculator and the result updates instantly.
1 gram [g] equals 0.001 kilogram [kg].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.