Sístẹ̀mù ìwọ̀n mítà

Countries which have officially adopted the metric system. Only three nations have not officially adopted the International System of Units as their primary or sole system of measurement: Burma, Liberia, and the United States.

Sístẹ̀mù ìwọ̀n mítà je iwon sistemu alaayemewa ti orile-ede Fransi koko gba se ni 1791 to si ti di sistemu ìwọ̀n ẹyọ to wopo ti gbogbo awon orile-ede agbaye n lo.