Historical Units

Palmo

Definição

O palmo é uma unidade de comprimento antiga igual à largura da mão estendida da ponta do polegar à ponta do dedo mínimo, padronizado em aproximadamente 23 cm (9 polegadas).

Explicação

Half a cubit, the span was widely used in ancient Hebrew, Greek, and Roman measurement. Goliath's height in the Bible is given as 'six cubits and a span,' roughly 2.9 meters. Like other body-based units, it varied between individuals; standardization came later through royal decrees or reference artifacts. It survives in horse height measurement, where 'hands' (10 cm) replaced the older span.

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