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conversion between ounces and pounds

by Prof. Milton Kihn Published 4 years ago Updated 3 years ago

How the pounds and ounces calculator works

The fields of the upper part of the lbs and oz calculator show equivalent weights expressed in different units. Input weight in one of them, and you'll get the weight in other units.

Convert grams to pounds and ounces

The app also converts grams to pounds and ounces. If this is what you need, input grams in the last field of the pounds and ounces calculator. You'll find the equivalent pounds in the first field and the ounces in the second one.

Add up pounds and ounces calculator

The bottom part of the tool is an add up pounds and ounces calculator. Here you can enter two masses expressed in different units and get the sum in yet another unit. For example, if you'd like to add 3 pounds to 33 ounces, normally you'd have to first convert ounces to pounds and ounces:

How many pounds does 12 ounces equal?

Twelve ounces is equal to 3/4 pound (0.75 lb). This is because one pound is equal to 16 ounces.

Avoirdupois and troy pounds, ounces

There are actually two different measures of ounces and pounds. There exists the Troy ounce and pound, and the Avoirdupois ounce and pound. Thankfully, it's quite straight forward to work out which units to use.

Conversion Definitions

The following is a list of definitions relating to conversions between ounces and pounds.

Conversion Formula

Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.

Conversion Example

Next, let's look at an example showing the work and calculations that are involved in converting from ounces to pounds (oz to lb).

Find a Conversion

Looking for a conversion? Select a conversion type and the desired units.

How many grams are in an international pound?

The international avoirdupois pound is equal to exactly 453.59237 grams. The definition of the international pound was agreed by the United States and countries of the Commonwealth of Nations in 1958. In the United Kingdom, the use of the international pound was implemented in the Weights and Measures Act 1963.

What is the pound?

The pound (abbreviation: lb) is a unit of mass or weight in a number of different systems, including English units, Imperial units, and United States customary units. Its size can vary from system to system. The most commonly used pound today is the international avoirdupois pound.

How many grains are in a pound?

An avoirdupois pound is equal to 16 avoirdupois ounces and to exactly 7,000 grains.

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