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weight conversion

How many kilograms are in 1 ounce?

Quick answer, a live calculator, and reference values for converting ounces to kilograms.

Main answer
1 ounce = 0.03 kilograms
Result
1 ounce = 0.03 kilograms

Factor: 0.0283495

There are 0.03 kilograms in 1 ounce.

1 ounce equals 0.03 kilograms. An ounce is a common weight unit for food, parcels, and everyday items. A kilogram is another weight unit you'll often see on scales and nutrition labels. To convert any amount, multiply the number of ounces by 0.0283495 to get kilograms. Results below use standard international conversion factors; round as needed for recipes or construction.
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Examples

  • 1 ounce
    0.03 kilograms
  • 5 ounces
    0.14 kilograms
  • 10 ounces
    0.28 kilograms
  • 100 ounces
    2.83 kilograms

Frequently asked questions

How many kilograms are in 1 ounce?
There are 0.03 kilograms in 1 ounce.
How do I convert ounces to kilograms?
Multiply the ounces value by 0.0283495. You can also type any number into the calculator on this page for an instant result.
Is the ounces to kilograms conversion exact?
This page uses internationally recognized conversion factors. Displayed values may be rounded for readability—keep extra decimals when a recipe, blueprint, or lab measurement needs higher precision.

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