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KG to Grams converter
Enter a number, fraction, power, π, or arithmetic expression.1 kg = 1000 g grams = kilograms × 1,000
Ready for local conversionKG to Grams formula
grams = kilograms × 1,000
1 kilogram = exactly 1,000 grams
A kilogram is defined as one thousand grams, following the decimal SI prefix system.
How to convert Kilograms to Grams
Multiply kilograms by 1,000, moving the decimal point three places to the right. No rounding is introduced by the conversion itself.
Example calculation
A mass of 2.5 kg is exactly 2,500 g: 2.5 × 1,000 = 2,500.
2.5 kg = 2500 g
When this conversion is useful
Kilograms to grams helps with recipe portions, package contents, component weights, school calculations, and any form that requires a gram value.
Common Kilograms to Grams conversions
| Kilograms (kg) | Grams (g) |
|---|---|
| 0.1 | 100 |
| 0.5 | 500 |
| 1 | 1000 |
| 2.5 | 2500 |
| 5 | 5000 |
| 10 | 10000 |
KG to Grams FAQ
One kilogram contains exactly 1,000 grams.
Two and a half kilograms is exactly 2,500 grams.
Grams are smaller than kilograms, so one kilogram must be represented by one thousand gram units.