Convert kilograms to grams
Enter a value in kilograms to convert it to grams.
kilograms to grams reference
| kilograms | grams |
|---|---|
| 1 kg | 1000 g |
| 2 kg | 2000 g |
| 5 kg | 5000 g |
| 10 kg | 10000 g |
| 25 kg | 25000 g |
| 50 kg | 50000 g |
| 100 kg | 100000 g |
The conversion factor
One kilogram is 1000 grams. So to convert, multiply your figure in kilograms by 1000. To go the other way, multiply grams by 0.001, or use the grams to kilograms converter.
Doing it in your head
For a quick estimate, round the factor: roughly "times 1000". Use the exact converter above when the number matters.
Where this conversion comes up
Recipes, shipping and luggage limits, body weight, and nutrition labels.
See the common unit conversions cheat sheet for the factors worth memorising.
Related tools
Frequently asked questions
How many grams are in a kilogram?
1 kilogram = 1000 grams.
What is the formula to convert kilograms to grams?
Multiply the number of kilograms by 1000. To go back the other way, multiply grams by 0.001.
What is 10 kilograms in grams?
10 kilograms = 10000 grams. The reference table below lists more common values.
Is this converter accurate?
It uses the internationally defined conversion factors and computes at full floating-point precision, then rounds only the displayed result. For everyday purposes it is exact; for legal, engineering or scientific work, confirm the required number of significant figures.
Does it work offline?
Yes. The conversion runs in your browser with no server call, so it keeps working with no connection, and nothing you enter is uploaded.
Last reviewed: September 2026. Figures and formulas are checked against their published sources; see the site's data notes.