KG to Grams Converter
Convert kilogram to gram instantly. 1 kg = 1000 g, worked steps and a full reference table.
How to use it
- Type the value in kilogram — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 kg | 1000 g |
| 5 kg | 5000 g |
| 10 kg | 10000 g |
| 100 kg | 100000 g |
One kilogram equals 1000 grams (g). To convert kilograms to grams, multiply by 1000; to go back the other way, multiply by 0.001 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What kilograms and grams actually measure
Kilogram (kg) — The kilogram is the SI base unit of mass, defined since 2019 by the Planck constant rather than a metal cylinder in Paris. Body weight, groceries and shipping across most of the world.
Gram (g) — A gram is a thousandth of a kilogram. Cooking, postage, nutrition labels and jewellery.
KG to Grams conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| kg | g |
|---|---|
| 1 kg | 1000 g |
| 2 kg | 2000 g |
| 5 kg | 5000 g |
| 10 kg | 10000 g |
| 25 kg | 25000 g |
| 50 kg | 50000 g |
| 100 kg | 100000 g |
How to convert kilograms to grams by hand
Multiply the number of kilograms by 1000.
For example, 25 kg × 1000 = 25000 g.
Going the other way, divide by 1000 — or multiply by 0.001, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many g are in 1 kg?
1 kg equals exactly 1000 g. Multiply any value in kilogram by 1000 to get gram.
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Last updated 18 August 2026