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 Yup'ik) measurement from the tip of the thumb to tip of index finger when each is stretched out away from the other; "tekneq" (in Yup'ik) measurement being the width of the last section of one’s index finger; "tumagneq" (in Yup'ik) measurement of the width of the palm (flattened and with the fingers and thumb held together); "tusneq" (in Yup'ik) measurement being the width from the outside edge of one should to the outside edge of the other; "yegyameg" (in Cup'ig) from elbow (measuring to tip of hand). The primary subsistence activity for the Yup'ik is fishing, though hunting supplements the