1000m
1000 meters is a unit of length in the metric system. It is equal to one kilometer and is commonly abbreviated as 1000 m or, when using the kilometer unit, as 1 km. In the International System of Units (SI), the meter is the base unit of length, and the prefix kilo- denotes a factor of 10^3.
Common conversions include: 1000 meters = 1 kilometer; approximately 0.621371 miles; about 3,280.84 feet; and about 1,093.61
Applications and usage: In athletics, 1000 meters is a standard middle-distance race, especially on indoor tracks