Convert ounce to kilogram
Enter the value to convert from ounce to kilogram.
How to Convert Ounce to Kilogram
Converting ounce to kilogram is straightforward using our conversion calculator.
Conversion Formula
kg = oz ÷ 35.2739619496Reverse conversion: Convert kilogram to ounce
Comparison: Ounce vs Kilogram
When to Use Each Unit
Ounce: Used in the United States for food portions, package sizes, and small weight measurements.
Kilogram: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Common Conversion Values
- 1 oz ≈ 28.35 g
- 16 oz = 1 lb
- 1 oz ≈ 0.0283 kg
- 1 oz = 28,350 mg
About Ounce
Definition: The ounce (symbol: oz) is an imperial unit equal to 1/16 of a pound or approximately 28.35 grams.
History: Originally based on the weight of precious metals. Standardized as part of the avoirdupois system.
Current Use: Used in the United States for food portions, package sizes, and small weight measurements.
Examples: Food serving: 3-8 oz, candy bar: 1-2 oz, spice container: 0.5-4 oz, gold: priced per ounce
About Kilogram
Definition: The kilogram (symbol: kg) is the SI base unit of mass, defined by fixing the Planck constant to exactly 6.62607015 × 10⁻³⁴ J⋅s.
History: Originally defined in 1795 as the mass of one liter of water. Redefined in 2019 using fundamental physical constants.
Current Use: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Examples: Human weight: 50-100 kg, bag of flour: 1-5 kg, car weight: 1000-2000 kg, laptop: 1-3 kg