Ametre is the basicunit olenth in theSI meisurment seestem. Bi the wey o an aerly defineition, it wis 1/10,000,000 (ae ten-milliont) o the lenth atween theYird's equator an theNorth Powl. The metre is nou offeicially defined as the lenthlicht gangs in avacuum in 1/299,792,458 o aseicont.
Ither aften-uised units o lenth is themillimetre (seembolmm, equal tae 1/1000m),centimetre (seembolcm, equal tae 1/100m) ankilometre (seembolkm, equal tae 1000m)
1000 mm = 1 m
100 cm = 1 m
1 km = 1000 m
In theImperial seestem o meisurment, ae metre is equal tae aboot 39.37inch, 3.28fit, or aboot 1.09yaird.
