Perimeter

The Perimeter function calculates the perimeter of a geography, in specified units.

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This function isn't compatible with all data platform connections. To check if your connection supports it, see Supported data platforms and feature compatibility.

Syntax

Perimeter(units, polygon)

The function arguments are:

units: Required; The unit of measurement for the perimeter.; Valid values are "kilometers", "meters", and "miles".
polygon: Required; The object for which we calculate the perimeter.; Must be in valid Geography polygon format.

Examples

Perimeter("meters", [Coordinates])

Perimeter("kilometers", [Coordinates])

Perimeter("miles", [Coordinates])

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

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On Databricks connections, values might differ slightly from those shown in the examples. This is because Databricks represents earth using the WGS 84 ellipsoid, while other connections assume a perfect sphere.