1000 g equals 1 kg. Use the converter below or explore all weight conversions.
Converting Gram to Kilogram is a common weight conversion. One gram (g) equals 0.001 kilogram (kg). Grams are used for food nutrition labels, cooking recipes, and lightweight measurements.
This conversion is commonly needed for cooking and recipe conversions, fitness and body weight tracking, shipping and postage calculations. The kilogram is the base SI unit of mass, used globally in science, commerce, and daily life.
To put gram in perspective: a paperclip (about 1 g). In kilogram, common references include a bag of sugar (1 kg).
A gram was originally defined as the mass of one cubic centimeter of water at 4°C.
The kilogram was the last SI base unit still defined by a physical artifact (a platinum-iridium cylinder in Paris) until 2019, when it was redefined using the Planck constant.
People frequently convert between gram and kilogram for:
| Gram (g) | Kilogram (kg) |
|---|---|
| 1 g | 0.001 kg |
| 2 g | 0.002 kg |
| 5 g | 0.005 kg |
| 10 g | 0.01 kg |
| 15 g | 0.015 kg |
| 20 g | 0.02 kg |
| 25 g | 0.025 kg |
| 30 g | 0.03 kg |
| 50 g | 0.05 kg |
| 100 g | 0.1 kg |
| 200 g | 0.2 kg |
| 500 g | 0.5 kg |
| 1000 g | 1 kg |