वर्ग Perch
A square perch is a traditional क्षेत्रफल की मात्रक equivalent to a square rod, के बराबर one-160th of an acre or लगभग 25.293 वर्ग मीटरs. The terms square perch, square rod, and square pole are interchangeable, all deriving from the historical rod/perch/pole unit of linear measurement.