# How to calculate the area of overlap of a buffer in ArcMap

Geographic Information Systems Asked by tp123abc on November 26, 2020

I am a beginner with GIS. I have used the buffer tool in ArcMap to draw a 1 km buffer around a set of three survey posts. I want to calculate the area of where the buffer’s overlap. Is there a tool in ArcMap which will allow me to do this?

I would do it two steps: first use Intersection to get the area where all circles overlaps. Then you can calculate the area of the new polygon. You check out this page if you don't know how to do is https://www.gislounge.com/calculating-polygon-area-in-arcmap/

Answered by soph on November 26, 2020

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