Ounces to KG Converter
Convert ounce to kilogram instantly. 1 oz = 0.02834952313 kg, worked steps and a full reference table.
How to use it
- Type the value in ounce — 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 oz | 0.02834952313 kg |
| 5 oz | 0.1417476156 kg |
| 10 oz | 0.2834952313 kg |
| 100 oz | 2.834952313 kg |
One ounce equals 0.028349523 kilograms (kg). To convert ounces to kilograms, multiply by 0.028349523; to go back the other way, multiply by 35.273962 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 ounces and kilograms actually measure
Ounce (oz) — An ounce is one sixteenth of a pound, about 28.35 grams. Food packaging, postage and cooking in the US.
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.
Ounces to KG conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| oz | kg |
|---|---|
| 1 oz | 0.028349523 kg |
| 2 oz | 0.056699046 kg |
| 5 oz | 0.14174762 kg |
| 10 oz | 0.28349523 kg |
| 25 oz | 0.70873808 kg |
| 50 oz | 1.4174762 kg |
| 100 oz | 2.8349523 kg |
How to convert ounces to kilograms by hand
Multiply the number of ounces by 0.028349523.
For example, 25 oz × 0.028349523 = 0.70873808 kg.
Going the other way, divide by 0.028349523 — or multiply by 35.273962, 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 kg are in 1 oz?
1 oz equals exactly 0.02834952313 kg. Multiply any value in ounce by 0.02834952313 to get kilogram.
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