Grams to Kilograms converter (g to kg)
Convert Grams (g) to Kilograms (kg) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
How to convert Grams to Kilograms
1 gram (g) is equal to 0.001 kilograms (kg).
1 g = 0.001 kg
The mass m in kilograms (kg) is equal to the mass m in grams (g) divided by 1000:
Example: Convert 5 g to kilograms:
m(kg) = 5 g ÷ 1000 = 0.005 kg
What is a Grams?
The gram (g) is one-thousandth of a kilogram. Nutrition labels, lab samples, and jewelry masses are commonly listed in grams.
What is a Kilograms?
The kilogram (kg) is the SI base unit of mass. It is the standard used in science and in most countries for body weight, food, and shipping.
This page converts mass from Grams into Kilograms. One g equals 0.001 kg.
Grams to Kilograms conversion table
Common g values and the matching kg result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Grams (g) | Kilograms (kg) |
|---|---|
| 0 g | 0 kg |
| 0.1 g | 0.0001 kg |
| 1 g | 0.001 kg |
| 2 g | 0.002 kg |
| 3 g | 0.003 kg |
| 4 g | 0.004 kg |
| 5 g | 0.005 kg |
| 6 g | 0.006 kg |
| 7 g | 0.007 kg |
| 8 g | 0.008 kg |
| 9 g | 0.009 kg |
| 10 g | 0.01 kg |
| 20 g | 0.02 kg |
| 30 g | 0.03 kg |
| 40 g | 0.04 kg |
| 50 g | 0.05 kg |
| 60 g | 0.06 kg |
| 70 g | 0.07 kg |
| 80 g | 0.08 kg |
| 90 g | 0.09 kg |
| 100 g | 0.1 kg |
| 1000 g | 1 kg |
How this calculator works
The form on this page is a Grams-to-Kilograms converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the kg result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many kg are in 1 g?
1 g = 0.001 kg.
How do I convert Grams to Kilograms?
The mass m in kilograms (kg) is equal to the mass m in grams (g) divided by 1000:
Is this g to kg converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.