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中文符号国际符号换算关系米ｍ１ｍ＝３尺厘米（公分）ｃｍ１ｍ＝１００ｃｍ毫米ｍｍ１ｍ＝１０００ｍｍ公顷ｈ１ｈ＝１００００＝１５亩１亩≈６６７升Ｌ（ｌ）１（立方米）＝１０００Ｌ千克（公斤）ｋｇ１ｋｇ＝２市斤克ｇ１ｋｇ＝１０００ｇ毫克ｍｇ１ｇ＝１０００ｍｇ吨ｔ
Chinese symbols International symbols Conversion meters m1m = 3cm cm cm1m = 100cm mm mm1m = 1000mm Hectare h1h = 10000 = 15 mu 1 mu ≈667 L (l) 1 (m3) = 1000L kg (kg) kg1kg = 2 City kg g1kg = 1000g mg mg1g = 1000mg t