Oz to Kg Converter
Convert weight between Ounces (oz) and Kilograms (kg) instantly. Enter a value in either field below and the converter will update automatically — no need to press a button.
What is an Ounce?
An ounce is a unit of weight in the imperial system, primarily used in the United States. It is commonly used for measuring food portions, small packages, and precious metals like gold and silver.
What is a Kilogram?
A kilogram is the base unit of mass in the metric system, used across most of the world for measuring body weight, food, and general everyday items. It is the standard unit in science, medicine, and international trade.
Oz to Kg Formula
To convert Ounces to Kilograms, divide the ounce value by 35.274:
To convert Kilograms back to Ounces, multiply by the same factor:
Common Uses
- Converting US recipe measurements (oz) to metric (kg)
- Comparing product weights between US and international labels
- Measuring precious metals and jewelry
- Tracking baby or pet weight across different scales
- Shipping and postal weight calculations
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Frequently Asked Questions
How many kg is 1 ounce?
1 ounce equals approximately 0.0283 kilograms (about 28.35 grams).
How many kg is 16 ounces?
16 ounces (1 pound) is approximately 0.4536 kilograms.
Why isn’t the oz to kg conversion a round number?
Ounces and kilograms belong to two different measurement systems (imperial and metric) that were standardized separately, so the conversion factor between them is not a whole number.