**Full name:** kilometre

**Plural form:** kilometres

**Symbol:** km

**Alternate spelling:** kilometers

**Category type:** length

**Scale factor:** 1000

The SI base unit for length is the metre.

1 metre is equal to 0.001 kilometer.

Valid units must be of the **length** type.

You can use this form to select from known units:

A kilometre (American spelling: kilometer, symbol: km) is a unit of length equal to 1000 metres (from the Greek words khilia = thousand and metro = count/measure). It is approximately equal to 0.621 miles, 1094 yards or 3281 feet.

kilometer to astronomical unit

kilometer to linear foot

kilometer to spat

kilometer to zoll [Germany]

kilometer to league [US statute]

kilometer to shaftment [ancient]

kilometer to exametre

kilometer to point [TeX]

kilometer to polegada [Portuguese]

kilometer to twain