Why Does the Number 12 Occur so Frequently?

Eggs are packed in 12, there are 12 inches in a foot, there used to be 12 pennies in a shilling, the analog clock goes to 12. Why always 12?

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A representation of dozenal multiplication table created by treisaran inspired Roman and Mayan numerals.

The Story of 12

The Many Ways in Which 12 Makes More Sense Than 10

Packaging in 12s vs 10s

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Dividing a Day

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Four pizzas divided into 2, 4, 6 and 8 parts.
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Two pizzas divided into 5 and 10 parts.

Dividing a Circle into Degrees

Tiling Floors

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Final thoughts

Written by

Geek dad, living in Oslo, Norway with passion for UX, Julia programming, science, teaching, reading and writing.

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