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 joint of the index finger curled up with section from tip to first joint along inner edge of thumb; "qerruuner" (in Cup'ig) measurement from fingertip to armpit or chest; "quruner" (in Cup'ig) measurement from fingertip to the armpit or chest; "tallineq" (in Yup'ik) measurement from one's fingertips to his armpit with the arm (and hand) outstretched; "'tallinin" (in Yup'ik) measurement from the extremity of one’s fist to his armpit with the arm outstretched; "taluyaneq" (in Yup'ik) measurement, the distance from the folded elbow of one outstretched arm to the ends of the fingertips of the other outstretched arm; "teklin" (in