Density and Mass
kgtog
Convert kilograms (kg) to grams (g).
Factor1 kg = 1000 g
Converter
kg
Accepts numbers or expressions, e.g. 150 + 14.7
Result
g
Rendered to 6 significant figures.
Formula
Formula
g = kg × 1000
Multiply any value in kilograms by 1000 to obtain the value in grams.
Worked example
Convert 2.5 kg to g.
- 01Start with 2.5 kg.
- 02Multiply by the conversion factor: 2.5 × 1000 = 2500 g.
Result2.5 kg = 2500 g
Conversion table
| kg | g |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 10 | 10000 |
| 20 | 20000 |
| 50 | 50000 |
| 100 | 1.0000e+5 |
| 200 | 2.0000e+5 |
| 500 | 5.0000e+5 |
| 1000 | 1.0000e+6 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from kg to g?
1 kg equals 1000 g. To convert, multiply the value in kilograms by 1000.
How do I convert 1 kg to g?
1 kg = 1000 g. For any value, multiply by 1000.
How do I convert g back to kg?
Divide by the same factor — or equivalently, multiply by 0.001. So 1 g = 0.001 kg.
When would I need to convert kilogram to gram?
Mass conversions appear in material balances, reagent dosing, and reconciling vendor specifications across imperial/metric systems.
Is the conversion exact?
Yes. Both kg and g are defined by exact SI relationships, so the displayed factor is exact (any rounding shown is only for display).