Question

Define one Standard meter​

Answer 1

The metre is currently defined as the length of the path travelled by light in a vacuum in 1299 792 458 of a second. The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's circumference is approximately 40000 km.

Answer 2

A meter is 100cm, which is 1000mm
in feet a meter is 3 ft 3.37 inches
in inches is 39.37 inches