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To convert from Dozen (dz) to Each (ea), use the following formula:
A dozen (dz) is a unit of measurement for counting.
It represents a quantity of 12 items.
The plural form is dozens. While not officially part of the modern metric system (which is base-10), it is a traditional unit used globally.
The term "dozen" originates from the Old French word "douzaine," meaning "a group of twelve."
This word is derived from "douze," the French for twelve, which in turn comes from the Latin "duodecim" ("duo" meaning two and "decem" meaning ten).
This etymology showcases the long-standing use of twelve as a fundamental counting unit in European trade and culture.
A "baker's dozen" is a common term for the number 13.
This tradition dates back to medieval times when English bakers added an extra loaf to a dozen to avoid severe penalties for selling underweight bread.
By providing 13 items instead of 12, they ensured they always met the legal weight requirement. This practice has since become a well-known cultural idiom.
The number twelve is highly composite, meaning it has many divisors.
This mathematical property makes it exceptionally practical for commerce and packaging, as goods can be easily divided into smaller portions without fractions.
Twelve is evenly divisible by:
This convenience is why the dozen has been a preferred unit for selling items like eggs, donuts, and flowers for centuries, predating the more modern base-10 metric system.