What is le metre?

The metre, also spelled as meter, is a unit of length in the International System of Units (SI). It is the base unit of length in the SI system, derived from the original definition of one ten-millionth of the distance from the Earth's equator to the North Pole. The metre is defined as the distance traveled by light in a vacuum in 1/299,792,458 of a second. It is currently the most widely used unit of length throughout the world, used for measuring distances, heights, and lengths of various objects. The symbol for metre is "m".