Grams to Kilograms: 1 g equals 0.001 kg. To convert grams to kilograms, multiply by 0.001 (kg = g ÷ 1000). For example, 10 g = 0.01 kg.
How to Convert Grams to Kilograms
To convert from grams to kilograms, multiply the value by 0.001. The conversion is linear, meaning doubling the input doubles the output.
Conversion Formula
- Grams to Kilograms:
kg = g ÷ 1000 - Kilograms to Grams:
g = kg × 1000
Grams to Kilograms Conversion Chart
| Grams (g) | Kilograms (kg) |
|---|---|
| 0.1 | 0.0001 |
| 0.25 | 0.00025 |
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 1000 | 1 |
Understanding the Units
What is a Gram?
A gram is one thousandth of a kilogram (1 g = 0.001 kg).
From the Greek gramma, a small weight in Late Antiquity.
Common contexts: cooking, pharmacy, lab work.
What is a Kilogram?
The kilogram is the SI base unit of mass, defined since 2019 by fixing the Planck constant at 6.62607015 × 10⁻³⁴ J·s.
From the French kilogramme adopted in 1795; previously defined by the International Prototype Kilogram in Paris until 2019.
Common contexts: science, commerce, health.
Real-World Reference Points
| Item | Grams (g) | Kilograms (kg) |
|---|---|---|
| A paperclip | 1 | 0.001 |
| A US dollar bill | 1 | 0.001 |
| A nickel coin | 5 | 0.005 |