Ounces to Kilograms calculator (oz to kg)

1 oz = 0.02835 kg

If you're looking for a quick and efficient method to convert ounces (oz) to kilograms (kg), our ounce-to-kg converter is designed to meet your needs. An ounce is a unit of weight commonly used in the United States and other countries that utilize the avoirdupois system. Understanding how to convert ounces to kilograms can be particularly useful when dealing with larger weight measurements.

In this guide, we will cover:

How to calculate ounces to kilograms: Learn the straightforward mathematical approach to convert ounces into kilograms.
How to use this ounce to kg converter: Step-by-step instructions on utilizing our converter for accurate and quick conversions.
Ounce to kilogram conversion examples: Practical examples to illustrate the conversion process and enhance your understanding.

Continue reading to master the process of converting ounces to kilograms efficiently.

Conversion formula

kilograms (kg) = ounces (oz) × 0.02835

How many ounces are in an kilograms?

One kilogram is equal to approximately 35.27396 ounces

Check the reverse conversion: kg to oz

Table for Ounces to Kilograms

Ounces	Kilograms
1 oz	0.02835 kg
2 oz	0.05670 kg
3 oz	0.08505 kg
4 oz	0.11340 kg
5 oz	0.14175 kg
6 oz	0.17010 kg
7 oz	0.19845 kg
8 oz	0.22680 kg
9 oz	0.25515 kg
10 oz	0.28350 kg
11 oz	0.31184 kg
12 oz	0.34019 kg
13 oz	0.36854 kg
14 oz	0.39689 kg
15 oz	0.42524 kg
16 oz	0.45359 kg
17 oz	0.48194 kg
18 oz	0.51029 kg
19 oz	0.53864 kg
20 oz	0.56699 kg

Definition ounce

An ounce (abbreviated as "oz") is a unit of weight or mass utilized in various measurement systems, including the imperial and U.S. customary systems. Its origins trace back to the Roman term uncia, meaning "twelfth part," as it represented one-twelfth of a Roman pound.

Definition and Variations

The definition of an ounce varies depending on the measurement system:

Avoirdupois Ounce: Predominantly used in the United States for general weight measurement, this ounce equals one-sixteenth of an avoirdupois pound, or approximately 28.35 grams.
Troy Ounce: Employed primarily in the measurement of precious metals like gold and silver, the troy ounce is heavier, equating to approximately 31.103 grams.

Usage

The ounce is widely used in countries such as the United States for measuring packaged food products, postal items, and other goods. In contexts involving precious metals, the troy ounce remains the standard unit of measurement. Additionally, the fluid ounce, distinct from the weight measurement, serves as a unit of volume for liquids in both the imperial and U.S. customary systems.

About kilograms unit

The kilogram (kg) is the base unit of mass in the International System of Units (SI). It is widely used globally in science, industry, and daily life to measure mass.

History

1795 Definition: During the French Revolution, the kilogram was defined as the mass of one liter of water at the melting point of ice.
1799 Prototype: The platinum Kilogramme des Archives was introduced as a standard reference for mass measurement.
1889 International Prototype: A platinum-iridium cylinder, known as the International Prototype of the Kilogram (IPK), became the standard for the kilogram.
2019 Redefinition: On May 20, 2019, the kilogram was redefined based on fundamental constants of nature, specifically the Planck constant, to enhance measurement precision and stability.

Definition

Currently, the kilogram is defined by fixing the numerical value of the Planck constant (h) at exactly 6.62607015×10⁻³⁴ joule seconds. This definition allows for precise and reproducible measurements of mass without reliance on a physical object.

Usage

The kilogram is universally used to measure mass in scientific research, engineering, manufacturing, and daily commerce. It serves as the standard unit for mass in the SI system, ensuring consistency and accuracy across various fields and applications.