Semis

The semis (lat. "A half") is an ancient Roman unit of measurement.

It occurs as a weight (½ libra = 163.7 g), as a length measure (½ pes = 148 mm) and as a surface measure (½ iugera = 1260 square meters).

Copper coin

As a Roman copper coin, it is equivalent to half an as . The minting was stopped as early as the 1st century AD.

Values ​​of coins (imperial era)

• Aureus (gold) = 25 denarii (silver)
• Denarius = 4 sesterces (brass)
• Sesterce = 2 dupondia (brass)
• Dupondius = 2 aces (copper / bronze)
• As = 2 semes (brass)
• Semis = 2 Quadrans (copper / bronze)

literature

• Peter Kurzweil: The Vieweg unit lexicon: formulas and terms from physics, chemistry and technology. Vieweg and Teubner Verlag, ISBN 978-3-322-92920-4 , p. 363.