EngiRef / Mass conversion
Convert Ounces to Kilograms (oz to kg)
1 oz = 0.0283495231 kg. Convert ounces to kilograms with the exact factor, a common-values table and a free converter.
Conversion factor
kg = oz × 0.0283495231
1 oz = 0.0283495231 kg
Multiply by 0.0283495231 kg to go from ounces to kilograms, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
oz to kg table
| Ounces (oz) | Kilograms (kg) |
|---|---|
| 1 oz | 0.0283495231 kg |
| 2 oz | 0.0566990463 kg |
| 5 oz | 0.141747616 kg |
| 10 oz | 0.283495231 kg |
| 20 oz | 0.566990463 kg |
| 50 oz | 1.41747616 kg |
| 100 oz | 2.83495231 kg |
Every figure is computed at build time by the site’s own converter from the mass unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many kilograms are in one ounce?
One ounce is 0.0283495231 kg, so 100 oz is 2.83495231 kg.
What is the formula to convert ounces to kilograms?
kg = oz × 0.0283495231. Multiply the value in ounces by 0.0283495231 to get kilograms.
How do I convert kilograms back to ounces?
oz = kg × 35.2739619, so 1 kg is 35.2739619 oz. The kg to oz page carries the same table in that direction.