**Full name:** square kilometre

**Plural form:** square kilometers

**Symbol:** km^{2}

**Alternate spelling:** square kilometres

**Category type:** area

**Scale factor:** 1000000

The SI derived unit for area is the square meter.

1 square meter is equal to 1.0E-6 sq.km.

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

You can use this form to select from known units:

I'm feeling lucky, show me some random units

sq.km to square cubit

sq.km to square micron

sq.km to square city block [East U.S.]

sq.km to square picometre

sq.km to acre [survey]

sq.km to square millimetre

sq.km to stremma

sq.km to square zeptometre

sq.km to caballeria [Spain/Peru]