A meter is a unit of measurement used to determine length or distance in the metric system. It is commonly used around the world and is equivalent to 100 centimeters or approximately 39.37 inches. The meter is a fundamental unit in science and everyday life, making it easier to measure things like the height of a person or the length of a room. In addition to measuring distance, the meter is also used in various fields such as engineering, architecture, and sports. For example, in track and field, races are often measured in meters, allowing athletes to compete on a standardized scale.