Skip to content
ForceConversion

Popular tools

Ounce to Kilogram Converter

1 ounce is exactly 0.028349523125 kilograms. Convert ounces (oz) to kilograms (kg) below: type a value and the result updates as you type.

oz to kg calculator

Dot or comma decimals and scientific notation (1e-3) work.

Display options

Result

Ounce to Kilogram conversion

1 oz = 0.028349523125 kgone ounce in kilograms

1 kg ≈ 35.27396195 ozone kilogram in ounces

Ounce (oz): Exactly 1/16 of an avoirdupois pound.

Kilogram (kg): SI base unit of mass, defined by fixing the Planck constant h = 6.62607015e-34 J·s.

Source:Ounce: International yard and pound agreement (1959); Kilogram: SI Brochure, 9th edition (BIPM, 2019)

How to convert ounces to kilograms

To convert ounces to kilograms, multiply the number of ounces by 0.028349523125.

Formula

kg = oz × 0.028349523125

Examples

  • 5 oz = 5 × 0.028349523125 = 0.141747615625 kg
  • 25 oz = 25 × 0.028349523125 = 0.708738078125 kg
  • 100 oz = 100 × 0.028349523125 = 2.8349523125 kg

Ounce to Kilogram conversion table

Ounce to Kilogram
Ounce (oz)Kilogram (kg)
0.1 oz0.0028349523125 kg
0.5 oz0.0141747615625 kg
1 oz0.028349523125 kg
2 oz0.05669904625 kg
3 oz0.085048569375 kg
5 oz0.141747615625 kg
10 oz0.28349523125 kg
20 oz0.5669904625 kg
25 oz0.708738078125 kg
50 oz1.41747615625 kg
100 oz2.8349523125 kg
250 oz7.08738078125 kg
500 oz14.1747615625 kg
1000 oz28.349523125 kg

Values rounded to 10 significant digits where needed.

Frequently asked questions

How many kilograms are in one ounce?
One ounce is exactly 0.028349523125 kilograms.
How do I convert kilograms to ounces?
To convert kilograms to ounces, divide the number of kilograms by 0.028349523125. The formula is oz = kg ÷ 0.028349523125.
Is this conversion exact?
Yes. Both units have exact definitions and the factor 0.028349523125 is exact. Displayed results are only rounded when they have many decimal places.
Which is larger, a ounce or a kilogram?
A kilogram is about 35.27396195 times larger than a ounce. In other words, a ounce is 0.028349523125 of a kilogram.