This app is using to convert amounts from Ounce to Pound as well as converting amounts from Pound to Ounce.

First of all, let us talk about Pound type and Ounce type:


Pound (lb):

Pound, unit of avoirdupois weight, equal to 16 ounces, 7,000 grains, or 0.45359237 kg, and of troy and apothecaries' weight, equal to 12 ounces, 5,760 grains, or 0.3732417216 kg. The Roman ancestor of the modern pound, the libra, is the source of the abbreviation lb.
The pound or pound-mass is a unit of mass used in the imperial, United States customary and other systems of measurement.
Various definitions have been used; the most common today is the international avoirdupois pound, which is legally defined as exactly 0.45359237 kilograms, and which is divided into 16 avoirdupois ounces.
The international standard symbol for the avoirdupois pound is lb; an alternative symbol is lbm (for most pound definitions), # (chiefly in the U.S.), and ℔ or ″̶ (specifically for the apothecaries' pound).


Ounce (oz):

An ounce is a unit of weight used in Britain and the USA. There are sixteen ounces in a pound and one ounce is equal to 28.35 grams.


By the way, As far as I told, this app is useful for converting amounts from Carat to Gram and vise verse.
So let's start using that.