The conversion factor from ounces to kilograms is 0.0283495231. To find out how many kilograms in ounces, multiply the ounce value by the conversion factor.
1 Ounce = 0.0283495231 Kilogram
Ounce is an imperial and US Customary mass unit. The abbreviation is "oz".
Kilogram is a base unit of mass in metric system and equals to the mass of one liter of water. The abbreviation is "kg".