Metre is metric length unit, symbol: [m]. Definition of 1 metre =1 m. Distance light travels in 1⁄299792458 of a second in vacuum. Old def: 1⁄10000000 of the distance from equator to pole. . Compared to metre, metre is equal unit.
• 1 [m] = (exactly) `1` [m]
• 1 [m] = (exactly) `1/(1)` [m] = 1 [m]
Multiply convert of metre to common length units:[m]
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The International System of Units, Section 2.1 (8 ed.), Bureau International des Poids et Mesures (web archive). https://web.archive.org/web/20...