Convert Ounces to Kilograms

Converting Ounces (oz) to Kilograms (kg) is a common task in weight & mass measurements. Weight and mass conversions appear constantly in cooking, shipping, fitness tracking, and international commerce where different countries use different standards.

To convert, multiply the ounces value by 0.0283495. Written as an equation: kg = oz × 0.0283495.

One ounces equals approximately 0.028349 kg. This means you can multiply any oz value by 0.028349 to get the equivalent in kg.

Worked example: 5 oz = 0.141747 kg. Enter your own value in the converter above for instant results.

Common mistake: People often confuse weight (force) with mass — in everyday use kilograms and pounds are treated interchangeably, but they are technically different quantities.

Bookmark this page for quick oz to kg conversions, or use the swap button to reverse the direction and convert kg back to oz.