Weight conversion
Gram to Kilogram
One gram is 0.001 kilograms. Enter any value below to convert it instantly, or use the reference table further down for the numbers you need most often.
Conversion rate
1 g = 0.001 kg
kg = g × 0.001
1 g = 0.001 kg
Reference
Gram to Kilogram table
The values people look up most often, rounded for practical use.
| Gram (g) | Kilogram (kg) | Written out |
|---|---|---|
| 1 g | 0.001 kg | 1 grams = 0.001 kilograms |
| 2 g | 0.002 kg | 2 grams = 0.002 kilograms |
| 3 g | 0.003 kg | 3 grams = 0.003 kilograms |
| 5 g | 0.005 kg | 5 grams = 0.005 kilograms |
| 10 g | 0.01 kg | 10 grams = 0.01 kilograms |
| 15 g | 0.015 kg | 15 grams = 0.015 kilograms |
| 20 g | 0.02 kg | 20 grams = 0.02 kilograms |
| 25 g | 0.025 kg | 25 grams = 0.025 kilograms |
| 50 g | 0.05 kg | 50 grams = 0.05 kilograms |
| 100 g | 0.1 kg | 100 grams = 0.1 kilograms |
| 250 g | 0.25 kg | 250 grams = 0.25 kilograms |
| 500 g | 0.5 kg | 500 grams = 0.5 kilograms |
| 1,000 g | 1 kg | 1,000 grams = 1 kilograms |
How to convert grams to kilograms
Multiply the number of grams by 0.001. That is the whole calculation: kg = g × 0.001. To go back the other way, divide instead, or multiply by 1,000.
Worked example: 12 grams × 0.001 = 0.012 kilograms.
Where this conversion comes up
Weight conversions come up in cooking, shipping, freight limits and fitness. Recipes are the most common source of confusion, because ingredient weight does not convert to volume — 100 g of flour and 100 g of sugar occupy very different amounts of space.
Quick answers
- 1 gram = 0.001 kilograms
- 2 grams = 0.002 kilograms
- 5 grams = 0.005 kilograms
- 10 grams = 0.01 kilograms
- 100 grams = 0.1 kilograms
More conversions
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Answers
Frequently asked questions
kg = g × 0.001. The converter above applies it for you, but the formula is useful in a spreadsheet — put your value in column A and the formula in column B.Related tools
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