The internationally-accepted spelling of the unit in English is "metre", although the American English spelling meter is a common variant. The metre, symbol: m, is the basic unit of distance (or of "length", in the parlance of the physical sciences) in the International System of Units. Meter to yard, or enter any two units below: Enter two units to convert From:Ī unit of length equal to 3 feet defined as 91.44 centimeters originally taken to be the average length of a stride A metal yardstick originally formed the physical standard from which all other units of length were officially derived in both English systems. It is by international agreement in 1959 standardized as exactly 0.9144 meters. The yard (abbreviation: yd) is an English unit of length, in both the British imperial and US customary systems of measurement, that comprises 3 feet or 36 inches. Yard, yd Definition:ĭefinition of Yard provided by WikiPedia: The metre is defined as the distance travelled by light in a vacuum in 1/299 792 458 seconds. The metre, or meter (American spelling), (from the Greek noun μέτρον, “measure”) is the base unit of length in the International System of Units (SI). Conversion formulas Yard, Meter (yd, m):ĭefinition of Meter provided by wikipedia: