What is a Kilometer (km)?

A kilometer (km) is a unit of length in the metric system, equal to one thousand meters (1,000 m).

Definition

Symbol

km

Category

Length

System

Metric

1 {unit} = {value} {otherUnit}

1 Kilometer = 1000000 Millimeter (mm)

1 Kilometer = 100000 Centimeter (cm)

1 Kilometer = 1000 Meter (m)

1 Kilometer = 39370.1 Inch (in)

1 Kilometer = 3280.84 Foot (ft)

Common Uses

  • Road distances
  • Marathon races
  • Geographic mapping

Kilometer Conversions

Related Units