Ounces to Kg Converter

Convert ounces to kilograms instantly — 1 oz = 0.0283495 kg.

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Understanding Weight/Mass Conversion

Mass measures the amount of matter in an object, while weight is the force exerted by gravity. In everyday use, these terms are often interchangeable. The kilogram is the SI base unit.

Unit Type Unit Name Value in Kilograms (kg)
Metric Small Milligram (mg) 0.000001 kg
Metric Small Gram (g) 0.001 kg
Metric Standard Kilogram (kg) 1 kg
Metric Large Metric Ton (t) 1,000 kg
Imperial Ounce (oz) 0.0283495 kg
Imperial Pound (lb) 0.453592 kg
Imperial Stone (st) 6.35029 kg
Imperial US Ton 907.185 kg
Imperial UK Ton 1,016.05 kg
Precious Carat (ct) 0.0002 kg

Conversion Tip

Mass and weight are often used interchangeably in everyday contexts. The kilogram is the SI base unit for mass.


Quick Reference

  • 1 kilogram = 2.205 pounds
  • 1 pound = 453.592 grams
  • 1 ounce = 28.35 grams
  • 1 ton (metric) = 1,000 kilograms
  • 1 ton (US) = 907.185 kilograms
  • 1 stone = 6.35 kilograms
  • 1 gram = 1,000 milligrams
  • 1 carat = 200 milligrams
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How to convert ounces to kilograms

Use the converter above or multiply by the factor: kilograms = ounces × 0.0283495. So 1 oz = 0.0283495 kg. Enter a value in ounces and the converter shows the result in kilograms instantly — free, no sign-up.

Worked examples

  • 1 oz = 0.02835 kg
  • 10 oz = 0.2835 kg
  • 100 oz = 2.835 kg

Ounces to kilograms conversion table

Ounces (oz)Kilograms (kg)
10.02835
20.0567
50.1417
100.2835
200.567
501.417
1002.835
50014.17
100028.35

Practical use: food packaging and ingredient weights.

Frequently asked questions

How many kg are in 1 oz?

1 oz = 0.0283495 kg.

What is the formula to convert oz to kg?

Multiply ounces by 0.0283495.

How do I convert back from kg to oz?

1 kg = 35.27399 oz.

What is 16 oz in kg?

16 oz = 0.45359 kg.

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