TABLE IV.
ROMAN MEASURES OF LENGTH.

II. Larger Measures.—Land and Itinerary.Miles.Feet.Inches.
[Pes]11·6496
Cubitus15·4744
1⅔Gradus, or Pes Sestertius25·124
53⅓2[Passus]410·248
106⅔42Decempeda, or Pertica98·496
12080482412Actus (in length)1165·952
50003333⅓2000100050041⅔[Mille Passuum]4854
750050003000150075062½Gallic Leuga12003
375,000250,000150,00075,00037,50031257550Degree[6]685110

N.B.—The Roman mile only differs from the English by less than 1-10th.

[6] See [Note to Table III].

TABLE V.
GRECIAN MEASURES OF SURFACE.

Ordinary Land Measures.Perches.Square Feet.
ΠΟΥΣ (Square Foot)1·0226
36Ἑξαπόδης36·81456
10027/9Ἄκαινα (Square of the καλαμος)102·26266
833⅓234/278⅓Ἡμίεκτος335·439
1666⅔468/2716⅔2Ἕκτος670·877
2500694/9253Ἄρουρα9106·318
10,0002777/91001264ΠΛΈΘΡΟΝ37153·02[7]

[7] This differs from a rood, or a quarter of an acre, by little more than 2 perches; for the rood contains 40 perches.

TABLE VI.
ROMAN MEASURES OF SURFACE.

Ordinary Land Measures.Acres.Roods.Perches.Square Feet.
[Pes Quadratus]·9445
100Scrupulum, or Decempeda Quadrata94·245
4804⅘[Actus Simplex]1180·127
2400245Uncia[8]883·885
360036Clima12125·83
14,4001443064[Actus Quadratus]19231·07
28,800288601282[Jugerum]219189·89[9]
57,600576120241642Heredium1039107·53[10]
5,760,00057,60012,00024001600400200100Centuria124219135·25
23,040,000230,40048,0009600640016008004004Saltus498137268·75[11]