Convert Ounces to Kilograms

1 oz = 0.028349 kg

Conversion Formula

1 oz = 0.0283495 kg

Common Ounce to Kilogram Conversions

Ounces (oz)Kilograms (kg)
0.50.0141747
10.0283495
20.056699
30.0850485
40.113398
50.141747
100.283495
150.425243
200.56699
250.708738
501.41748
752.12621
1002.83495
2507.08737
50014.1747
75021.2621
100028.3495
250070.8738
5000141.748
10000283.495

How to Convert Ounces to Kilograms

To convert ounces to kilograms, multiply the ounce value by 0.0283495.

For example, 5 ounces is equal to 5 × 0.0283495 = 0.141747 kilograms.

The ounce (oz) and the kilogram (kg) are both units of weight. Understanding the relationship between these units is helpful for everyday conversions, scientific calculations, and engineering applications.

Understanding Ounces and Kilograms

What is a Ounce (oz)?

The ounce (oz) is a unit of mass equal to 1/16 of a pound, or approximately 28.35 grams.

Ounces are commonly used in the US for food portions, postal weight, and measuring precious metals (troy ounce).

What is a Kilogram (kg)?

The kilogram (kg) is the base unit of mass in the International System of Units (SI). It is defined by the fixed numerical value of the Planck constant, h = 6.62607015×10⁻³⁴ J·s.

Kilograms are used worldwide for measuring body weight, food, and everyday objects. It is the standard unit in science, medicine, and international trade.

Frequently Asked Questions

How many Kilograms are in 1 Ounce?

1 Ounce (oz) is equal to 0.0283495 Kilograms (kg).

How do I convert Ounces to Kilograms?

To convert Ounces to Kilograms, multiply the value by 0.0283495. For example, 10 oz = 0.283495 kg.

How many Ounces are in 1 Kilogram?

1 Kilogram (kg) is equal to 35.274 Ounces (oz).

What is the formula to convert Ounces to Kilograms?

The formula is: Kilograms = Ounces × 0.0283495. This means you multiply the number of Ounces by 0.0283495 to get the equivalent in Kilograms.

How much is 100 Ounces in Kilograms?

100 Ounces (oz) is equal to 2.83495 Kilograms (kg). You can use the converter above for any custom value.

What is a Ounce?

The ounce (oz) is a unit of mass equal to 1/16 of a pound, or approximately 28.35 grams. Ounces are commonly used in the US for food portions, postal weight, and measuring precious metals (troy ounce).

What is a Kilogram?

The kilogram (kg) is the base unit of mass in the International System of Units (SI). It is defined by the fixed numerical value of the Planck constant, h = 6.62607015×10⁻³⁴ J·s. Kilograms are used worldwide for measuring body weight, food, and everyday objects. It is the standard unit in science, medicine, and international trade.

Is converting Ounces to Kilograms a common conversion?

Yes, converting between Ounces and Kilograms is a common weight conversion used in everyday life, science, and engineering. Our converter provides instant, accurate results.

Related Conversions

Conversion factors sourced from SI (BIPM) and NIST standards. Reviewed by the MicroCalcTools engineering team.

Last updated: April 2026