Pes (unit)

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A pes (plural: pedes) is an ancient Roman unit of length that roughly corresponds to a modern foot, which it is the etymological ancestor of, as "pes" literally means "foot" in Latin. In terms of modern reference, the Roman foot measured 0.971 feet (29.6 cm).[1] There are twelve unciae in one pes. There are 2.5 pedes in one gradus.

See also

References

  1. ^ Heinrich Glarean The Intellectual World of a Sixteenth-Century Musical Humanist. Chapter 8, Cambridge University Press, 2013.