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Ounces to Kilograms (oz to kg) Converter

1 ounce (oz) = 0.0283495 kilograms (kg). To convert ounces to kilograms, multiply by 0.0283495: 8 oz × 0.0283495 = 0.226796 kg.

1 oz = 0.0283495231 kg
Convert the other way: Kilograms to Ounces

Quick facts

How to convert ounces to kilograms

  1. Take the value in ounces.
  2. Multiply it by 0.0283495 (the number of kilograms in one ounce).
  3. Round the result to the precision you need.
kg = oz × 0.0283495

Worked example (a steak): 8 oz × 0.0283495 = 0.226796 kg.

To convert kilograms back to ounces, multiply by 35.274, or divide by 0.0283495.

Source: NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page.

Ounces to Kilograms conversion table

Ounces to Kilograms conversion table
Ounces [oz]Kilograms [kg]
0.01 oz0.0002834952 kg
0.1 oz0.0028349523 kg
1 oz0.0283495231 kg
2 oz0.0566990463 kg
3 oz0.0850485694 kg
5 oz0.1417476156 kg
10 oz0.2834952313 kg
20 oz0.5669904625 kg
50 oz1.4174761563 kg
100 oz2.8349523125 kg
1000 oz28.349523125 kg

oz to kg chart from 1 to 100

Kilograms to Ounces conversion table

Kilograms to Ounces conversion table
Kilograms [kg]Ounces [oz]
0.01 kg0.3527396195 oz
0.1 kg3.527396195 oz
1 kg35.2739619496 oz
2 kg70.5479238992 oz
3 kg105.8218858487 oz
5 kg176.3698097479 oz
10 kg352.7396194958 oz
20 kg705.4792389916 oz
50 kg1763.698097479 oz
100 kg3527.396194958 oz
1000 kg35273.9619495804 oz

Ounces vs Kilograms

OunceKilogram
Symbolozkg
Equals1 oz = 0.0283495 kg1 kg = 35.274 oz

What is an ounce?

A US customary and imperial unit equal to 1/16 of a pound. Used in the US for food packaging and postage weight.

What is a kilogram?

The SI base unit of mass, defined today by a fixed value of the Planck constant. The standard mass unit worldwide for body weight, groceries, and shipping outside the US.

Frequently asked questions

How many kilograms are in an ounce?

There are 0.0283495 kilograms in 1 ounce (1 oz = 0.0283495231 kg).

How many ounces are in a kilogram?

There are 35.274 ounces in 1 kilogram (1 kg = 35.2739619496 oz).

How do I convert ounces to kilograms?

Multiply the number of ounces by 0.0283495. For example, 10 oz × 0.0283495 = 0.283495 kg. To convert back, multiply by 35.274.

What is 10 oz in kilograms?

10 oz = 0.283495 kg.

What is 100 oz in kilograms?

100 oz = 2.83495 kg.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026