Ask A Cartographer

how to calculate sq mileage of a polygon

June 01 2009 | 0 comments
Categories: ArcGIS Methods

I am a pretty new user to ARC and would like to know if there is a way to find the square mileage of the polygons in my map that represent our service territories.

Mapping Center Answer:

Use the field Calculator for geometry that was newly added in version 9.2.

To get this function, open your polygon layer's table and right-click on the field heading for the field you want to calculate square miles. You may need to use the Options button to add a new field (of type Double or Float).

The Calculate Geometry option was added just below the Field Calculator choice.

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