How to convert kilograms to grams
One kilogram equals 1,000 grams. To convert, multiply the number of kilograms by 1,000:
Mental-math shortcut: Multiply kilograms by 1,000: 2.5 kg = 2,500 g.
Example
Convert 2.5 kilograms to grams: 2.5 kg × 1,000 = 2,500 g.
Kilograms to Grams conversion chart
| Kilograms (kg) | Grams (g) |
|---|---|
| 0.1 | 100 |
| 0.25 | 250 |
| 0.5 | 500 |
| 0.75 | 750 |
| 1 | 1,000 |
| 1.5 | 1,500 |
| 2 | 2,000 |
| 2.5 | 2,500 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
What is a kilogram?
The kilogram (kg) is the SI base unit of mass. Since 2019 it has been defined using the Planck constant instead of a metal reference cylinder kept in France. It is the standard unit for body weight in most countries; one kilogram is about 2.2046 pounds.
What is a gram?
A gram (g) is one thousandth of a kilogram — roughly the mass of a paper clip. Grams are used worldwide for food, recipes, nutrition labels and small objects. One ounce is about 28.35 grams.
Converting the other way? Use the Grams to Kilograms converter.
Frequently asked questions
How many grams is one kilogram?
One kilogram is 1,000 grams.
How do I convert kilograms to grams?
Multiply the value in kilograms by 1,000. For example, 2.5 kg × 1,000 = 2,500 g.
What is 0.5 kg in grams?
0.5 kg is 500 grams.
How do I convert grams to kilograms?
Multiply grams by 0.001 (or divide by 1,000). You can also use our Grams to Kilograms converter.
Conversions use the internationally agreed definitions of each unit (for example, 1 inch = 2.54 cm exactly) and are rounded for display. Volume converters use US customary units unless stated otherwise.
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