Obsolete Russian units of measurement Peter the Great replace it with the Hindu-Arabic numeral system. The basic unit is the Russian cubit, called the "arshin", which has been in use since the 16th century. It was standardized by Peter the Great in the 18th century to measure exactly twenty-eight English inches (). Thus, 80 vershoks = 20 piads = 5 arshins = 140 English inches (). A "piad" (, “palm”, “five”) or "chetvert" (, “quarter”) is a hand span, the distance between ends of the spread thumb and index finger. Alternative units: As in many ancient systems of measurement the Russian distinguishes between dry and
Yup'ik clothing which can be transformed into geometrically pleasing patterns that adorn squirrel parkas or become the basis of circles used for ceremonial headdresses. This knuckle is the middle [intermediate] phalanges of index finger and the “knuckle length” measure (not fingerbreadth) is a common unit in the Yup’ik measurement system. Yup'ik non-standard measurement units of length: "aaggarner" (in Cup'ig) measurement, the distance from the tip of the thumb to the tip of the middle finger with fingers spread out; "angvaneq" (in Yup'ik) measurement, the distance from the center of the chest (or the armpit ?) to the end of the fingertips of