Weight conversions are essential when dealing with different measurement systems. The ounce (oz) is commonly used in the United States and the UK, while the kilogram (kg) is the standard weight unit in the metric system. For instant, user-friendly conversions—whether you’re cooking, shipping, or tracking fitness—try our intuitive Weight Converter and get precise results in a click!
1 ounce (oz) = 0.0283495 kilograms (kg)
Ounces (oz) are often used for measuring food, postal items, and small objects.
Kilograms (kg) are widely used globally for body weight, groceries, and industrial measurements.
To convert ounces to kilograms, use this simple formula:
Kilograms (kg) = Ounces (oz) × 0.0283495
16 × 0.0283495 = 0.4536 kg
So, 16 oz is approximately 0.454 kg (which is exactly 1 pound).
The heaviest newborn baby ever recorded weighed 22 lb (or 352 oz), which is about 10 kg.
A soccer ball weighs about 16 oz, meaning six soccer balls together equal nearly 3 kg.
The smallest dog breed, the Chihuahua, often weighs around 2-6 lb (32-96 oz), equal to 0.9-2.7 kg.
The world’s heaviest burger weighed 777 lbs (12,432 oz), or about 352 kg!
The ounce has been a crucial unit in precious metal trading for centuries. The Troy ounce (31.1035 g) is still used today to measure gold, silver, and platinum. This system dates back to the Medieval French town of Troyes, a major trading hub in Europe.
One of the most famous gold discoveries was the Welcome Stranger Nugget, found in Australia in 1869. Weighing 2,520 troy ounces (78.6 kg), it remains the largest gold nugget ever recorded. If converted to standard ounces, that would be a staggering 2,673 oz!
Now that you know how to convert ounces to kilograms, you can quickly determine weights in both imperial and metric units—whether you’re cooking, shipping packages, or trading gold. For even more versatile unit switching, explore our comprehensive Conversion tool and make every calculation effortless!
