How to convert kilograms to grams
To convert kilograms to grams, multiply by 1,000. Weight and mass conversions matter for cooking, shipping, fitness tracking, medicine and trade.
Kilogram to Gram conversion table
| Kilogram (kg) | Gram (g) |
|---|---|
| 0.1 kg | 100 g |
| 0.5 kg | 500 g |
| 1 kg | 1,000 g |
| 2 kg | 2,000 g |
| 3 kg | 3,000 g |
| 4 kg | 4,000 g |
| 5 kg | 5,000 g |
| 10 kg | 10,000 g |
| 20 kg | 20,000 g |
| 25 kg | 25,000 g |
| 50 kg | 50,000 g |
| 100 kg | 100,000 g |
| 500 kg | 500,000 g |
| 1,000 kg | 1,000,000 g |
About the units
Kilogram (kg)
The kilogram is the SI base unit of mass, defined through the Planck constant since 2019.
Gram (g)
A gram is one thousandth of a kilogram and the everyday metric unit for food and small items.
How to use this converter
- Type the number of kilograms (kg) in the input box.
- The result in grams appears instantly — no button needed.
- See the same value in every other weight unit just below.
- Use “Swap units” to convert grams back to kilograms.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many grams are in one kilogram?
One kilogram equals 1,000 grams. 1,000 is the exact factor used by this converter.
How do I convert kilograms to grams?
Multiply the value in kilograms by 1,000. To go the other way, multiply grams by 0.001.
What is 10 kg in g?
10 kg = 10,000 g. Also, 5 kg = 5,000 g and 100 kg = 100,000 g.
What is the difference between a kilogram and a gram?
The kilogram is the SI base unit of mass, defined through the Planck constant since 2019. A gram is one thousandth of a kilogram and the everyday metric unit for food and small items.
Is this tool free and private?
Yes — the Kilogram to Gram is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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