Feet to Roman Miles (ft to mp)
1 foot equals 0.0002059459459 Roman miles (rounded).
How to convert feet to Roman miles
To convert feet to Roman miles, multiply the number of feet by 0.0002059459459. The factor is rounded to 10 significant digits. To go the other way, multiply Roman miles by 4,855.643045 (rounded).
Roman miles = feet × 0.0002059459459
Example: 10 feet = 0.002059459459 Roman miles.
Approximate value. Standards for the Roman mile varied by place and period, so this converter uses the most commonly cited value. Treat results as estimates, not exact figures.
About these units
Foot (ft)
12 inches. Defined as exactly 0.3048 meters. Still the standard unit for height, altitude in aviation and room dimensions in the US and UK.
Human anatomy supplied the idea: an adult foot is roughly 15 percent of body height. Ancient cultures turned that into standards, but not the same one. The Greek pous was about 302 mm, the standard Roman pes about 295.7 mm, and a Harappan foot of about 335 mm has been reported from the Indus Valley. Historically, a foot fell somewhere between about 250 and 335 mm. Charlemagne tried to standardize units around 790 with little lasting success, and in 1593 English law fixed the statute mile at 5,280 feet.
The modern foot dates from the 1959 International Yard and Pound Agreement, which defined the yard as exactly 0.9144 meter and so the foot as exactly 0.3048 meter; the UK adopted it on 1 January 1964. The US survey foot, defined in 1893 as 1200/3937 meter, was deprecated on 31 December 2022. Feet remain in everyday use for height and rooms in the US, and ISO shipping containers are defined in them. Aviation altitudes use them too: flight level 330 means 33,000 feet.
1 foot = 0.3048 meters (exactly).
Sources: Wikipedia: Foot (unit); Wikipedia: Mile; NIST Guide to the SI, Appendix B.8: conversion factors
Roman Mile (mp)
'A thousand paces' (mille passus): 5,000 Roman feet, about 1.48 km. The word 'mile' comes from it, and Roman roads were marked with milestones at this interval.
Latin speakers called it mille passus, a thousand paces, usually abbreviated m.p. A pace was counted each time the same foot struck the ground, so it spanned two steps and was reckoned at five Roman feet, which made the mile 5,000 feet. The English word mile descends from the shortened form of the Latin phrase, through Old English mil.
The length rests on the Roman foot, and that foot is not fixed precisely. Modern estimates of the mile cluster near 1,480 m, one empirical figure being about 1,479 m, and this is the figure used here. Marcus Agrippa's standard foot of around 29 BC is credited with indirectly standardizing it, but measured surviving feet vary by a few millimetres, which shifts the mile by metres.
Stone markers stood at every mile along the empire's paved roads, measured out from the Golden Milestone in the Forum. Eight Roman stadia made a mile, and in Greek-speaking provinces it was rendered as the milion. At roughly 0.92 of an international mile, it survives in the name of the modern mile, though later European miles drifted to very different lengths.
1 Roman mile = 1,480 meters (approximately).
Sources: Wikipedia: Roman mile; Wikipedia: Roman units of measurement
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See all length units.