Quantity Converter

Created by Hanna Pamuła, PhD candidate
Reviewed by Bogna Szyk
Last updated: Nov 22, 2021

Our quantity converter will help you find out how much is a dozen or how many half a dozen are in a score. Choose between nine different quantity units and find the answer in a blink of an eye. If you curious about baker's dozen origin or you are looking for a conversion table for a dozen, a gross, and a score, keep scrolling!

How much is a dozen and a baker's dozen?

Ask for a dozen or eggs, pencils or cookies, and almost certainly you will receive 12 chosen items. However, the baker's dozen measure also exist, and it's sometimes called devil's dozen, long dozen, or long measure. The baker's dozen is one more than the regular dozen, so it's a grouping of 13.

Baker's dozen measure comes from medieval England. The law was strict for bakers and for overpricing the bread you could get hefty fines and floggings. As it's difficult to obtain baked goods in the same size and weight every time, bakers decided to add one extra item, just in case. They prefer to throw a bit extra than to risk the penalty - sometimes they even added one more product, and the customer ended with 14 items buying a dozen.

Nowadays, if you are ordering a dozen of donuts, you can usually expect 12 donuts in a box:

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Check out how to burn the calories from dozen of donuts in our awesome Do or Donut calculator! Maybe you should stick to half a dozen?...

Cheaper by the dozen

Originated in Mesopotamia, a dozen is one from the oldest grouping measure. It's a convenient number as it has many divisors (1,2,3,4,6,12). The dozen probably comes from twelve cycles of the moon or the number of months in a year. Twelve is a base number in the duodecimal system and is sometimes used in imperial measures (e.g. 1 foot = 12 inches). Twelve dozens are called a gross (12² = 144); a dozen gross is known as a great gross (12³ = 1728), a term used in wholesale trade.

A dozen a gross and a score

If you want to check how much is a dozen, half a dozen or a score, check this simple conversion table below:

Number Quantity units names
2 a couple / a pair / a brace
6 half a dozen
12 a dozen
13 a baker's dozen
20 a score
144 a gross (12 dozen)
1728 a great gross (12 gross)

If your query is a bit more advanced, such as e.g., How many dozens are in 25 scores?, use our quantity converter:

  • Enter the value you want to convert into the correct box. In our case, it's scores box. Type 25.
  • The values in the other eight units appear.
  • Find the measure you need. The quantity converter calculated that there are 41.7 dozens in 25 scores.
Hanna Pamuła, PhD candidate
baker's dozen
great grosses
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