You can use the following formula to convert ounce to kilogram: 1 ounce is equal to 0.0283495 kilograms. So, to convert a specific number of ounces to kilograms, simply multiply it by 0.0283495. Let's say you have 10 ounces and want to convert them to kilogrammes: 10 ounces multiplied by 0.0283495 equals 0.283495 kilogrammes As a result, 10 ounces equals 0.283495 kilograms. Tags: C to g Ounce...