Gram to Kilogram Converter
Converts gram to kilogram (g to kg) and back. The conversion factor is shown below every result.
How to Convert Gram to Kilogram
What Is a Gram?
The gram (g) is a metric mass unit, one thousandth of a kilogram.
What Is a Kilogram?
Mass in the SI system is anchored by the kilogram (kg), its base unit.
Common Gram to Kilogram Reference Points
Real-world reference values for quick sanity checks.
| Item | Gram (g) | Kilogram (approx.) |
|---|---|---|
| A smartphone (approx.) | 200 g | 0.2 kg |
| A bag of sugar (approx.) | 1000 g | 1 kg |
| Reference values are illustrative approximations for common items, not measured specifications. | ||
Gram to Kilogram Conversion Table
| Gram (g) | Kilogram (kg) |
|---|---|
| 1 g | 0.001 kg |
| 50 g | 0.05 kg |
| 100 g | 0.1 kg |
| 250 g | 0.25 kg |
| 500 g | 0.5 kg |
| 1000 g | 1 kg |
| 5000 g | 5 kg |
| Source: NIST SP 811, Appendix B (SI decimal prefixes) | |
Frequently Asked Questions
How do I convert grams to kilograms?
Divide the gram value by 1,000 (or multiply by 0.001). For example, 750 g × 0.001 = 0.75 kg.
Is this conversion always exactly 1,000?
Yes. The kilogram and gram are both decimal SI units, with the kilogram defined as exactly 1,000 grams, so there's no rounding involved.
Why does a kitchen scale sometimes show grams and sometimes kilograms?
Most digital scales switch display units automatically or on request; grams give finer precision for small quantities like spices, while kilograms are more practical for larger quantities like a bag of flour or a person's body weight.
Related Weight & Mass Converters
A good measuring tool marked in both g and kg removes the guesswork at the point of use.