Convert Grams to Kilograms
One gram equals 0.001 kilograms. Type any value to convert grams to kilograms instantly — with a full reference table below.
Convert Grams to Kilograms
Converted in your browser — nothing you enter is sent anywhere.
How to convert Grams to Kilograms
To convert grams to kilograms, multiply by 0.001. One gram equals 0.001 kg, and one kilogram equals 1,000 g.
- Take the value in grams — for example 7.5 g.
- Multiply by 0.001 (the number of kilograms in one gram).
- 7.5 × 0.001 = 0.0075 kg.
Shortcut: the factor is a power of ten, so just move the decimal point 3 places to the left.
Grams to Kilograms conversion table
| Grams | Kilograms |
|---|---|
| 1 g | 0.001 kg |
| 2 g | 0.002 kg |
| 3 g | 0.003 kg |
| 4 g | 0.004 kg |
| 5 g | 0.005 kg |
| 6 g | 0.006 kg |
| 7 g | 0.007 kg |
| 8 g | 0.008 kg |
| 9 g | 0.009 kg |
| 10 g | 0.01 kg |
| 12 g | 0.012 kg |
| 15 g | 0.015 kg |
| 20 g | 0.02 kg |
| 25 g | 0.025 kg |
| 50 g | 0.05 kg |
| 100 g | 0.1 kg |
| Kilograms | Grams |
|---|---|
| 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 |
| 6 kg | 6,000 g |
| 7 kg | 7,000 g |
| 8 kg | 8,000 g |
| 9 kg | 9,000 g |
| 10 kg | 10,000 g |
| 12 kg | 12,000 g |
| 15 kg | 15,000 g |
| 20 kg | 20,000 g |
| 25 kg | 25,000 g |
| 50 kg | 50,000 g |
| 100 kg | 100,000 g |
About converting Grams to Kilograms
Grams (g) and Kilograms (kg) are both units of weight. The exact factor is 1 g = 0.001 kg, so multiply by 0.001 to go from grams to kilograms (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Kilograms to Grams converter, or the full unit converter for every unit at once.
Real-world weight in grams and kilograms
| Example | Grams | Kilograms |
|---|---|---|
| 1 litre of water | ≈ 1,000 g | ≈ 1 kg |
| An Olympic men's barbell | 20,000 g | 20 kg |
| A typical checked-bag limit (economy) | ≈ 23,000 g | ≈ 23 kg |
“≈” marks typical values; the rest are defined or measured figures.
The units
One thousandth of a kilogram.
Used for: Cooking, postage and food packaging.
The SI base unit of mass, defined since 2019 by fixing the Planck constant at 6.62607015 × 10⁻³⁴ J·s.
Used for: Body weight and goods almost everywhere.
These factors are exact: since 1959 the avoirdupois pound is defined as exactly 0.45359237 kg, and the ounce as 1/16 of that.