Ounces to kg
One oz equals 0.02834952313 kg. Type any number and the answer appears as you type — the maths happens in your browser.
The same value in every unit
| Unit | Value |
|---|
- Free
- Files never leave your device
- No sign-up
Common values
| ounces | kg |
|---|---|
| 1 oz | 0.028349523 kg |
| 2 oz | 0.056699046 kg |
| 3 oz | 0.085048569 kg |
| 5 oz | 0.14174762 kg |
| 10 oz | 0.28349523 kg |
| 15 oz | 0.42524285 kg |
| 20 oz | 0.56699046 kg |
| 25 oz | 0.70873808 kg |
| 50 oz | 1.4174762 kg |
| 100 oz | 2.8349523 kg |
| 500 oz | 14.174762 kg |
| 1000 oz | 28.349523 kg |
How to use
- Enter the number of ounces in the field.
- The result in kg updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: kg = oz ÷ 35.27396195. Going back the other way, one kg is 35.27396195 oz.
Where the odd number comes from
The factor is not a round number because the imperial units are defined through the metric ones by international agreement: an inch is exactly 25.4 mm and a pound is exactly 0.45359237 kg. Everything else follows from those definitions.
kg = oz ÷ 35.27396195
Frequently asked questions
How many kg are in one ounces?
One oz is 0.02834952313 kg.
How do I convert ounces to kg?
Multiply by the factor: kg = oz ÷ 35.27396195.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert kg back to ounces?
One kg is 35.27396195 oz — or open the reverse page linked below.