Kongchiøq
Kongchiøq (公尺 metre) iah bytat, bie (米), miita si leq niuu tngtea ee tan'ui, y si SI kipurn tan'ui cy id, kix zøx m. Pwntea Hoatkog Khøhag'vi (French Academy of Sciences) ka chiahtø kengkoex Paris kaux pakkek ee 1/10,000,000 texngzøx 1 bie. Hiexnzhwsii, Kokzex Tawchirnchiøq Kiok (International Bureau of Weights and Measures) ka kngf ti cinkhofng 1 biøfzefng zao ee kuxli ee 1/c texngzøx 1 m.
Cidbie (1 m) iokliong 3.28 engchiøq. Ka m thauzeeng kef SI jixthaau (SI prefix) extaxng tittiøh citkoar tngtea ee zohap tan'ui, pylun korng 1 km tøxsi cid'konglie = 1000 m. 1 cm tøxsi 1 konghwn = 1/100 m.