Convert Gram to Kilogram
Turn Grams into Kilograms in an instant. Type a value below to get an accurate g → kg result, with the formula and a quick-reference table.
1 g = 0.001 kg
Quick answer: 1 Gram = 0.001 Kilogram
Gram to Kilogram conversion table
| Gram (g) | Kilogram (kg) |
|---|---|
| 1 g | 0.001 kg |
| 2 g | 0.002 kg |
| 5 g | 0.005 kg |
| 10 g | 0.01 kg |
| 20 g | 0.02 kg |
| 50 g | 0.05 kg |
| 100 g | 0.1 kg |
| 500 g | 0.5 kg |
| 1,000 g | 1 kg |
How to convert Gram to Kilogram
To convert Grams to Kilograms, multiply the value by 0.001.
- Take your measurement in Grams.
- Multiply it by 0.001 — the number of Kilograms in one Gram.
- The result is the same amount, expressed in Kilograms.
To go the other way, multiply Kilograms by 1,000 — or simply divide by 0.001.
For example, a medium apple is about 100 g, which is 0.1 kg.
About Gram and Kilogram
A gram is the everyday metric unit of mass, one-thousandth of a kilogram. It is used for food portions, cooking ingredients and postage.
The kilogram is the SI base unit of mass, equal to 1,000 grams. It is the standard unit for body weight, groceries and most goods worldwide.
Both the Gram and the Kilogram are metric units, so converting between them is just a change of scale: one Gram equals 0.001 Kilograms, and the Kilogram is the larger unit.
Other weight & mass conversions
Frequently asked questions
How many Kilograms are in a Gram?
1 Gram equals 0.001 Kilogram (g → kg). To convert any amount, multiply the number of Grams by 0.001.
How do I convert Gram to Kilogram?
Enter the number of Grams in the converter above and read the result in Kilograms. It applies the exact g → kg factor instantly, with full precision.
Is the Gram to Kilogram converter free?
Yes — it is completely free and unlimited, needs no sign-up, and runs right in your browser, so it is instant and private.
Is the conversion accurate?
Yes. It uses the internationally defined weight & mass factors and full floating-point precision, then rounds the display to a clean, readable number.