Greeks also had a less common "greater palm" of five digits.

Ancient Rome

The Roman palm or lesser palm (palmus minor) made up ¼ of the Roman foot (pes), which varied in practice between 29.2 - 29.7 cm but is thought to have been officially 29.6 cm. This would have given the palm a notional value of 7.4 cm within a range of a few millimeters.

The palm was divided into four digits (digitus) of about

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