Convert ounce to kilogram
1 oz = 0.02834952313 kg
1 oz = 0.0283 kg
1 oz in every mass unit
| microgram | 28,300,000 μg |
| milligram | 28,300 mg |
| gram | 28.3 g |
| kilogram | 0.0283 kg |
| metric tonne | 0.0000283 t |
| ounce | 1 oz |
| pound | 0.0625 lb |
| stone | 0.00446 st |
| US short ton | 0.0000313 ton |
| grain | 438 gr |
| unified atomic mass unit (dalton) | 1.71e+25 u |
How the conversion works
Multiply by 0.02834952313 to go from ounce to kilogram, or divide by it to go back. Every conversion on this site routes through the SI value (kg) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? kilogram to ounce — 1 kg = 35.27396195 oz.
ounce to kilogram — common values
| 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 |
| 75 oz | 2.1262142 kg |
| 100 oz | 2.8349523 kg |
| 250 oz | 7.0873808 kg |
| 500 oz | 14.174762 kg |
| 1000 oz | 28.349523 kg |