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Oz to Kg

Welcome to oz to kg, our page dedicated to the conversion oz to kg.

If you have been searching for ounces to kilograms, or if you have been wondering about how many kilograms in an ounce, then you have found the right page as well.

Here you can learn everything about oz into kg, and we also have converter you’re gonna like.

Keep reading to find out how to convert ounces to kg.


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The ounce is an imperial unit of mass as well as US customary unit.

To avoid disambiguation it is sometimes called mass ounce.

The official name is international avoirdupois ounce, abbreviated as oz.

One Ounce which is equivalent to 1/16 international avoirdupois pounds.

The kilogram (kg) on the other hand is the basic unit of mass in the metric system (SI), also known as the International System of Units.

Convert Oz to Kg

In 1959, the aforementioned pound has been specified as 0.45359237 kg.

Thus one ounce equals 0.028349523125 kg.

To obtain oz in kg you have to multiply the mass in oz by 0.45359237 / 16.

The oz to kg formula is [kg] = [oz] * 0.45359237 / 16

For example, to convert 2 ounces to kilograms multiply 2 by 1 / 0.028349523125 to get ~ 0.05669904625 kg.

You can have it faster by using the oz to kg converter in the next section.

Our calculator changes the weight whilst typing.

Oz to Kg Converter

Our ounces to kg converter at the top of this page takes the point as decimal separator. Changing the lower field swaps the units.

Don’t forget to bookmark us as oz to kg converter.

In place of calculating oz in kg with pen and pencil or making use of our oz to kg calculator you can located frequent ounces to kg conversions by means of our search form in the menu.

Insert, for example, x oz in kg or type x ounces in kg; assumed x is your mass in avoirdupois pounds.

Then hit “go”. Inputs such as x oz to kilo and x oz kg also work.

Ounces to Kilograms

Although the terms mass and weight are used interchangeably in daily life, they are not the same.

In strict terms, ounces to kilograms is not a weight conversion, but a mass conversion.

You can learn more about it by reading the corresponding 4th paragraph on our home page.

There you can also find will find everything about pounds to kg, including a converter for example.

How many Kilograms in an Ounce?

History has seen many different ounces in the course of time.

They include Troy and Tower ounces, to mention but a few.

The troy ounce is still the standard to weigh gold, silver and other precious metals.

  • [kg] = [Troy ounce] * 0.45359237 / 14 7/12
  • [kg] = [Tower ounce] * 0.45359237 / 15 5/9

However, nowadays it’s safe to answer the questions how many kilograms in an oz and how many kilograms in an ounce as 0.028349523125 kilograms exactly.

As a rough estimate you can use this approximation: 1 oz ~ 0.0283 kg.

Spelled out, one pound is approximately equal to 0.0283 kilograms.

Frequent conversions include, for instance:

As a side note an ounce is equivalent to 1/16 avoirdupois pounds and to 437.5 grains.

Oz to Kg Conversion

You already know the whole lot about the conversion of oz to kg, or ounces to kg.

The same is the case if you have been looking for oz to kilograms or, for example, how many kilograms in an ounce.

Others terms which are frequently searched for here include, but are not limited, to ounces kilograms, convert oz into kg, and oz kg.

The list could be continued forever.

We have made this page, especially, the calculator, to help visitors changing ounces to kg for the fact that few people know how to calculate oz in kg out of the top of their head.

People planning vacations abroad or going on an overseas business trip are advised to bookmarking this site in order to be able to change these units quickly when a mass conversion has to be conducted.

We are coming to the end of our article, summarized by the following image:

Here you can convert kg to oz.

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More information:

Ounce on Wikipedia