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1 Ounce to Kilograms

1 ounce is 0.0283 kilograms. See the step-by-step breakdown and reference table below, or try a different value in the calculator.

1 oz = 0.0283 kg
oz × 0.02835 = kg
Try: 2 oz to kg 6 oz to kg
1 oz is also
1 oz = 0.0625 lb 1 oz = 28.35 g 1 oz = 28,349.52 mg 1 oz = 0.004464 st 1 oz = 0.0000283495 t
oz
0.0283 kg

Step-by-Step Calculation

oz × 0.02835 = kg
  1. Start with 1 oz
  2. Multiply by 0.02835: 1 × 0.02835 = 0.0283
  3. Result: 1 oz = 0.0283 kg

This conversion factor (0.02835) is the same for every ounce to kilogram calculation.

Ounce to Kilogram Conversion Table

Ounces (oz) Kilograms (kg)
1 oz 0.0283 kg
2 oz 0.0567 kg
5 oz 0.1417 kg
10 oz 0.2835 kg
15 oz 0.4252 kg
20 oz 0.567 kg
25 oz 0.7087 kg
50 oz 1.42 kg
75 oz 2.13 kg
100 oz 2.83 kg
250 oz 7.09 kg
500 oz 14.17 kg
1,000 oz 28.35 kg
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Frequently Asked Questions

1 ounce equals 0.0283 kilograms.
The formula is: oz × 0.02835 = kg. See the oz to kg formula page for worked examples.
Use the kilograms to ounce converter. The reverse formula is: kg × 35.273962 = oz.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (oz × 0.02835 = kg) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026