No. It's true because 1 inch is explicitly defined by the governing body as 2.54 cm, whereas one meter is defined as "the length of the path travelled by light

No. It's true because 1 inch is explicitly defined by the governing body as 2.54 cm, whereas one meter is defined as "the length of the path travelled by light in a vacuum in 1/299792458 of a second". https://en.wikipedia.org/wiki/Metre https://en.wikipedia.org/wiki/Metre The units of the metric system are defined by physical properties that appear to be constant throughout the universe. The units of the US customary system are defined as some exact number of equivalent metric units.