x1 is x2 (default 1) short local distance unit(s) [non-metric], standard x3, x4 subunits.
Foot (= jmagutci); yard (= cibjmagutci), pace (= tapygutci), inch (= degygutci), cubit (= birgutci). (additional subunit places may be added as x5, x6, ...); See also mitre, clani, ganra, condi, rotsu, rupnu, fepni, dekpu, minli, merli, bunda, kramu.