Meter (m) – basic unit of length in the metric system and is represented by a lowercase m.
Standard: The distance traveled by light in absolute vacuum in 1/299,792,458 of a second.
1 kilometer = 1000 meters
1 meter = 100 centimeters
1 centimeter = 10 millimeters
Instruments Used To Measure Length
Metric Ruler (with centimeters)