Oz to KG Converter
Convert ounces (oz) to kilograms (kg) instantly. Type a value — the result updates as you type, and the swap button converts the other way.
Oz to kg formula
kg = oz × 0.028349523125
1 ounce = 0.0283 kilograms · 1 kilogram = 35.27 ounces
To convert ounces to kilograms, multiply the value by 0.028349523125. For example, 16 oz:
kg = 16 × 0.028349523125kg = 0.453592
So 16 oz = 0.4536 kg.
Mental math shortcut
This conversion is exact, so there is no need to estimate: just multiply by 0.02835.
Oz to kg conversion table
kg back to Oz
The same values converted the other way, rounded for everyday use:
| Kilograms | Ounces |
|---|---|
| 0.0283 kg | 0.9983 oz |
| 0.1134 kg | 4 oz |
| 0.2268 kg | 8 oz |
| 0.4536 kg | 16 oz |
| 0.9072 kg | 32 oz |
| 1.42 kg | 50.09 oz |
| 2.83 kg | 99.83 oz |
About the units
Ounces (oz)
The avoirdupois ounce is exactly 28.349523125 grams; 16 ounces make a pound. (Not to be confused with the fluid ounce, a unit of volume.)
Kilograms (kg)
The kilogram is the SI base unit of mass. 1 kg ≈ 2.2046 lb; it is used for body weight and groceries in most countries.
Frequently asked questions
How many kilograms are in a ounce?
One ounce equals 0.0283 kilograms.
What is 16 Oz in kg?
16 oz = 0.4536 kg.
How do I convert kg back to Oz?
Divide the kilograms by 0.028349523125. Or use the KG to Oz converter.