Kilograms to Grams Converter
Convert kilograms (kg) to grams (g) by multiplying by 1,000, with simple examples for everyday measurements.
Let’s convert it.
Swap unitsDecimals welcome. The answer updates as you type.
2.5 kg × 1000 ≈ 2,500 g
Understanding kilograms and grams
To convert kilograms to grams, multiply by 1,000. This is a metric conversion, so the relationship is an exact power of ten.
What are kilograms (kg)?
A kilogram (kg) is the SI base unit of mass and contains 1,000 grams. Larger food packages and luggage commonly use kilograms.
What are grams (g)?
A gram (g) is one thousandth of a kilogram. Kitchen scales often display grams so small differences are easier to read.
How to use this converter
- Enter the mass in kilograms.
- Read the equivalent mass in grams.
- Use the gram amount when comparing smaller portions or scale readings.
The conversion formula
grams = kilograms × 1,000
A worked example
A 2.5 kg bag contains 2.5 × 1,000 = 2,500 g.
If a 2.5 kg bag of rice is divided into ten equal portions, convert it to 2,500 g first. Each portion then has a mass of 250 g.
Quick conversion table
Values are rounded for readability.
| kilograms (kg) | grams (g) |
|---|---|
| 1 | 1,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
Common questions
How many grams are in 0.1 kg?
0.1 kg is 100 g.
Should I add three zeros to convert?
Multiply by 1,000. Adding zeros works for whole numbers, but a decimal such as 1.25 kg becomes 1,250 g, not 1.25000 g.