In journalism, only one unit of area is understood.

Mm is a short form for square megameter, also an international unit of area.

A marla is a unit of area used in the Indian subcontinent.

Before the sound passes on to the inner ear, the total pressure (force per unit of area) must be amplified.

An acre is already a unit of area.

This means it contains a large number of pixels per unit of area.

Note that this quantity has units of area.

Confusingly, rod was used as a unit of area but it meant a rood.

Further examples of units of area come from the mathematical papyri.

A hide had been a unit of area, but by this stage it was simply a way of expressing liability to tax.

It is a unit of area used to measure land holdings (real property) in much the way that an acre or hectare are.

Permeability is measured in units of area, commonly meters squared.

Surface contamination is usually expressed in units of radioactivity per unit of area.

Many of the units of area are squares.

The SI unit of area is the square metre.

The acre is a unit of area used in the imperial and U.S. customary systems.

Of the world's six floral kingdoms, this is the smallest and richest per unit of area.

Each region is extended to the surface which is to be lit and the area calculated, giving the light power per unit of area.

A joch is a traditional unit of area in German speaking countries, especially in Austria.

The marla is a traditional unit of area that was used in Pakistan, India,and Bangladesh.

A league can also be a unit of area, used to express the area of land, that is equal to 25 million square varas.

In the Irish Census system the smallest unit of area that data is collected for is called an "electoral division".

An are (a metric unit of area, one hundredth of a hectare)

A bunder is a unit of area in the Low Countries (Belgium and the Netherlands).

This power density is intercepted by the target with radar cross section , which has units of area (meters squared).