Ounces to Kilograms converter

To convert ounces to kilograms, enter the value in the first field. The result in kilograms is calculated automatically using the exact conversion factor.

1 oz = 0.028349523125 kg
1 kg ≈ 35.2739619496 oz

Formula: kg = oz × 0.028349523125
oz ≈ kg × 35.2739619496

Definitions: 1 oz = 1/16 lb

The ounce (oz) here is the avoirdupois ounce, one sixteenth of a pound, or exactly 28.349523125 grams. It is used in the United States for food packages, postage and small goods, and it is not the same as the troy ounce used for precious metals or the fluid ounce, which measures volume.

The kilogram (kg) is the SI base unit of mass, defined since 2019 through the Planck constant. It is used for body weight, groceries and luggage in most countries.

See the conversion table with commonly used values, handy for quick reference or study.