Area

The Area function calculates the area of a geography polygon, in specified units.

When you apply the Area function to geography points or geography lines, it returns 0.

Syntax

Area(units, polygon)

The function arguments are:

units	Required The unit of measurement for the areaValid values are "square_kilometers", "square_meters", and "square_miles"
geog1	Required The object for which we calculate the areaMust be in valid Geography polygon format.To work from known latitude and longitude values, use the MakePoint or MakeLine functions.

Examples

Area("square_kilometers", [Coordinates])

Area("square_meters", [Coordinates])

Area("square_miles", [Coordinates])

The Area function returns the following values for the Coordinates column values that define a polygon, when specifying area in square kilometers, square meters, or square miles: