Weight converter
Kilograms to Grams
Kilograms and Grams measure the same quantity in different unit systems. The relationship is 1 kg = 1,000 g, which gives 1,000 g per kg. Below you can convert any value, check a worked example and read the full chart.
Formula 1 kg = 1,000 g
Need the other direction? Grams to Kilograms.
How to convert Kilograms to Grams
The kilogram is the SI base unit of mass; since 2019 it is defined by the Planck constant. The gram is one thousandth of a kilogram and is common in cooking and chemistry.
To convert Kilograms to Grams, multiply the value in kg by 1,000. For example, 10 kg × 1,000 = 10,000 g. This works because the ratio between the two units is constant for every value in weight.
Worked examples
| kg | g |
|---|---|
| 1 kg | 1,000 g |
| 2.5 kg | 2,500 g |
| 5 kg | 5,000 g |
| 10 kg | 10,000 g |
| 25 kg | 25,000 g |
| 50 kg | 50,000 g |
| 100 kg | 100,000 g |
Reverse conversion
| g | kg |
|---|---|
| 1 g | 0.001 kg |
| 5 g | 0.005 kg |
| 10 g | 0.01 kg |
| 25 g | 0.025 kg |
| 50 g | 0.05 kg |
| 100 g | 0.1 kg |
When this conversion is useful
This is the calculation you need when you are comparing body weight, shipping weight or a recipe across metric and imperial units. Because the factor is fixed, you can use the same number for a single measurement or for a batch: 1,000 kg is 1,000,000 g.
Is the conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Reference: BIPM SI Brochure and NIST SP 811. Last reviewed: 2026-11-01.
kg to g conversion chart
The chart lists the most requested values. For a value that is not here, use the converter at the top of the page.
| Kilograms (kg) | Grams (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 |
| 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 |
| 11 kg | 11,000 g |
| 12 kg | 12,000 g |
| 13 kg | 13,000 g |
| 14 kg | 14,000 g |
| 15 kg | 15,000 g |
| 16 kg | 16,000 g |
| 17 kg | 17,000 g |
| 18 kg | 18,000 g |
| 19 kg | 19,000 g |
| 20 kg | 20,000 g |
| 21 kg | 21,000 g |
| 22 kg | 22,000 g |
| 23 kg | 23,000 g |
| 24 kg | 24,000 g |
| 25 kg | 25,000 g |
| 26 kg | 26,000 g |
| 27 kg | 27,000 g |
| 28 kg | 28,000 g |
| 29 kg | 29,000 g |
| 30 kg | 30,000 g |
| 31 kg | 31,000 g |
| 32 kg | 32,000 g |
| 33 kg | 33,000 g |
| 34 kg | 34,000 g |
| 35 kg | 35,000 g |
| 36 kg | 36,000 g |
| 37 kg | 37,000 g |
| 38 kg | 38,000 g |
| 39 kg | 39,000 g |
| 40 kg | 40,000 g |
| 41 kg | 41,000 g |
| 42 kg | 42,000 g |
| 43 kg | 43,000 g |
| 44 kg | 44,000 g |
| 45 kg | 45,000 g |
| 46 kg | 46,000 g |
| 47 kg | 47,000 g |
| 48 kg | 48,000 g |
| 49 kg | 49,000 g |
| 50 kg | 50,000 g |
| 60 kg | 60,000 g |
| 70 kg | 70,000 g |
| 80 kg | 80,000 g |
| 90 kg | 90,000 g |
| 100 kg | 100,000 g |
Frequently asked questions
How many Grams are in 1 Kilograms?
1 kg equals 1,000 g.
How do I convert Kilograms to Grams?
Multiply the kg value by 1,000. Example: 25 kg = 25,000 g.
What is 2.5 kg in g?
2.5 kg = 2,500 g.
Is the kg to g conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Does the calculator work offline?
Yes. The conversion runs in your browser with JavaScript, so it works after the page has loaded, even without a connection.