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ounce

Also known as oz, avoirdupois ounce, oz., ℥, ounce (avoirdupois), ounces

The ounce () is any of several different units of mass, weight, or volume and is derived almost unchanged from the , an Ancient Roman unit of measurement.

AI overview

An ounce is a unit of measurement for mass, weight, or volume that comes from an ancient Roman measurement system and is still used today. It matters because it's a practical standard that allows people to measure and compare amounts of things consistently, whether they're weighing ingredients for cooking or determining the size of a product.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Unit.name: Ounce
Unit.image: Drostes instant Cocoa packed by H Hamstra & Co, Inc 8 ounces blikje, foto 1.JPG
Unit.caption: Droste's Instant Cocoa with a net weight of 8 ounces
Unit.standard: Imperial system
Unit.quantity: Measurement
Unit.symbol: ℥, oz

via Wikipedia infobox

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Encyclopedic overview

17 sections

Contents

Etymology
Definitions
Active use
International avoirdupois ounce
International troy ounce
Metric ounces
Historical
Apothecaries' ounce
Maria Theresa ounce
Spanish ounce
Ounce-force
Fluid ounce
Other uses
Fabric weight
Copper layer thickness of a printed circuit board
Notes and references
External links

The ounce () is any of several different units of mass, weight, or volume and is derived almost unchanged from the , an Ancient Roman unit of measurement.

The avoirdupois ounce (exactly ) is avoirdupois pound; this is the United States customary and British imperial ounce. It is primarily used in the United States.

Excerpted from Wikipedia’s “ounce” article, available under the CC BY-SA 4.0 licence.

ounce

Key facts

Encyclopedic overview

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What links here534 pages