Full name: square metre
Plural form: square meters
Alternate spelling: square metres
Category type: area
Scale factor: 1
The SI derived unit for area is the square meter.
Valid units must be of the area type.
You can use this form to select from known units:
A square metre (US spelling: square meter) is by definition the area enclosed by a square with sides each 1 metre long. It is the SI unit of area. It is abbreviated m².