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Distance Measurements



Roman Distance Measurements

Unit

Roman Equivelant

Description

Modern

Mille (mille passus)

1000 passus

Roman mile. With 5 Roman feet in a passus, a Roman mile was 5,000 ft. Slightly shorter than a modern mile.

4,854 modern ft. or 1,480 meters.

Stadium (stadia)

125 passus

Used often as a measurement by sea. 125 passus = 625 Roman ft.

607 ft. or 185 meters

Actus

120 pedes

Used for land surveying and roughly translated as how far oxen would drive a plough before being turned. Equal to 120 Roman feet.

116.5 ft. or 35.5 meters

Passus

1/1000 mille or 2 gradus

Roughly the 'pace' step of a single legionary. 5 Roman ft.

4.85 ft. or 1.48 meters

Gradus (gradii)

2 1/2 pedes

1/2 passus (2.5 Roman ft.)

2.43 ft. or .74 meters

Pes (pedes)

12 unciae

Roman foot.

11.65 inches or 29.6 cm

Uncia (unciae)

Base Unit

Roman inch.

0.97 inches or 24.6 mm



Did you know?

The Groma (resembling a surveyor's cross) was the favored aligning instrument of the Romans


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Roman Distance Measurements - Related Topic: Reconstructed Groma


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