EVERYDAY SCIENCE

Detailed explanation-1: -metre (m), also spelled meter, in measurement, fundamental unit of length in the metric system and in the International Systems of Units (SI). It is equal to approximately 39.37 inches in the British Imperial and United States Customary systems.

Detailed explanation-2: -In the metric system, the SI unit of length is a metre which is defined as: “The length of the path travelled by light in a vacuum within 1⁄299792458 seconds.” Some of the other units also include: kilometres.

Detailed explanation-3: -The meter, symbol m, is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum c to be 299 792 458 when expressed in the unit m s-1, where the second is defined in terms of Cs. The kilogram, symbol kg, is the SI unit of mass.

Detailed explanation-4: -Definition of Meter Meter is a metric unit of length. The abbreviation of meter is “m". The metric unit followed in the United States is called the “United States Customary Units (USCS)".