Grams to Kilograms Converter
Convert grams to kilograms instantly. 1 g = 0.001 kg. Free two-way converter with the formula and a quick reference table.
How to convert grams to kilograms
kilograms = grams × 0.001
One gram equals 0.001 kilograms, so to convert grams to kilograms you multiply by 0.001. Going the other way, one kilogram is 1,000 grams. Both units measure weight & mass, so the conversion is an exact ratio that never changes.
10 grams = 0.01 kilograms. Multiply your gram figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? kilograms to grams
grams to kilograms table
| grams (g) | kilograms (kg) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1,000 | 1 |
Frequently asked questions
How many kilograms are in a gram?
One gram equals 0.001 kilograms. So to convert, multiply the number of grams by 0.001.
How do I convert grams to kilograms?
Multiply by 0.001, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.