Pes (length)
Encyclopedia
A pes is an ancient Roman unit of length that roughly corresponds to a foot. There are twelve unciae
Uncia (length)
An ' is an ancient Roman unit of length that roughly corresponds to an inch. One uncia is 0.97 inches or 24.6 millimeters. There are twelve in one pes....

 in one pes. One pes is 11.6 inch
Inch
An inch is the name of a unit of length in a number of different systems, including Imperial units, and United States customary units. There are 36 inches in a yard and 12 inches in a foot...

es or 29.5 centimeters. There are 2.5 pedes in one gradus
Gradus (length)
A gradus is an ancient Roman unit of length that is 2.5 pedes. One gradus is 0.81 yards or 0.74 meters. There are 2 gradi in one passus....

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