Weight Converter
Mass in metric and imperial units.
1 ounce = 0.02834952313 kg. Enter any value to convert ounces (oz) to kilograms (kg), or use the table below for common values.
kg = oz × 0.02834952313
Example: 10 oz = 0.2834952313 kg. To convert the other way, use oz = kg × 35.27396195.
Quick mental estimate: multiply by about 0.028.
| Ounces (oz) | Kilograms (kg) |
|---|---|
| 1 oz | 0.02834952313 kg |
| 2 oz | 0.05669904625 kg |
| 3 oz | 0.08504856938 kg |
| 4 oz | 0.1133980925 kg |
| 5 oz | 0.1417476156 kg |
| 6 oz | 0.1700971388 kg |
| 7 oz | 0.1984466619 kg |
| 8 oz | 0.226796185 kg |
| 9 oz | 0.2551457081 kg |
| 10 oz | 0.2834952313 kg |
| 15 oz | 0.4252428469 kg |
| 20 oz | 0.5669904625 kg |
| 25 oz | 0.7087380781 kg |
| 30 oz | 0.8504856938 kg |
| 40 oz | 1.133980925 kg |
| 50 oz | 1.417476156 kg |
| 75 oz | 2.126214234 kg |
| 100 oz | 2.834952313 kg |
| 250 oz | 7.087380781 kg |
| 500 oz | 14.17476156 kg |
| 1,000 oz | 28.34952313 kg |
The avoirdupois ounce is 1/16 of a pound, or exactly 28.349523125 grams. It is used for food portions and parcels in the US.
The kilogram is the SI base unit of mass, defined since 2019 by the Planck constant. Body weight and most goods are measured in kilograms worldwide.
Use the formula kg = oz × 0.02834952313. For example, 10 oz = 0.2834952313 kg.
1 oz = 0.02834952313 kg.
Use oz = kg × 35.27396195. 1 kg = 35.27396195 oz.