topic Density to Percentage in Geoprocessing Questions https://community.esri.com/t5/geoprocessing-questions/density-to-percentage/m-p/357174#M12357 <HTML><HEAD></HEAD><BODY><P>I am trying to figure out how to convert density to percentage in ArcGIS. I was wondering if anyone had any idea on how to do it?</P></BODY></HTML> Wed, 16 Jan 2019 00:08:08 GMT NathanFleischman 2019-01-16T00:08:08Z Density to Percentage https://community.esri.com/t5/geoprocessing-questions/density-to-percentage/m-p/357174#M12357 <HTML><HEAD></HEAD><BODY><P>I am trying to figure out how to convert density to percentage in ArcGIS. I was wondering if anyone had any idea on how to do it?</P></BODY></HTML> Wed, 16 Jan 2019 00:08:08 GMT https://community.esri.com/t5/geoprocessing-questions/density-to-percentage/m-p/357174#M12357 NathanFleischman 2019-01-16T00:08:08Z Re: Density to Percentage https://community.esri.com/t5/geoprocessing-questions/density-to-percentage/m-p/357175#M12358 <HTML><HEAD></HEAD><BODY><P>Density is the ratio of&nbsp; … quantity of something / area that delineates something... for example &nbsp;</P><P>the Number of people/ square kilometer</P><P></P><P>Percentage is the ratio of …</P><P>something/total number of somethings&nbsp; …. &nbsp; for example</P><P>children in the room/total number of people * 100</P><P></P><P>density and percentage can only be related when you are talking about the...&nbsp; the number of areas off something relative to the total area of all somethings....</P><P>… the number of houses / town area (this is density) ...… versus.... &nbsp;&nbsp; total area of all houses / town area (this is percentage/ratio)</P><P>&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</P><P>so what are you working with?&nbsp;</P><P>Consider 1 house on a building lot... the area of the building lot is 1 acre (43560 ft^2)&nbsp; the house is 1000 ft^2</P><P>The density is 1/43560.... the percentage is 1000/43560</P><P>two different things</P></BODY></HTML> Wed, 16 Jan 2019 00:19:50 GMT https://community.esri.com/t5/geoprocessing-questions/density-to-percentage/m-p/357175#M12358 DanPatterson_Retired 2019-01-16T00:19:50Z Re: Density to Percentage https://community.esri.com/t5/geoprocessing-questions/density-to-percentage/m-p/357176#M12359 <HTML><HEAD></HEAD><BODY><P>How do I get that total area of all somethings?</P></BODY></HTML> Wed, 16 Jan 2019 00:29:25 GMT https://community.esri.com/t5/geoprocessing-questions/density-to-percentage/m-p/357176#M12359 NathanFleischman 2019-01-16T00:29:25Z Re: Density to Percentage https://community.esri.com/t5/geoprocessing-questions/density-to-percentage/m-p/357177#M12360 <HTML><HEAD></HEAD><BODY><P>you use the Calculate Geometry in the field calculator within a table.</P><P>or <A class="link-titled" href="http://pro.arcgis.com/en/pro-app/tool-reference/data-management/add-geometry-attributes.htm" title="http://pro.arcgis.com/en/pro-app/tool-reference/data-management/add-geometry-attributes.htm">Add Geometry Attributes—Data Management toolbox | ArcGIS Desktop</A>&nbsp;</P><P>similar tools exist within arcmap and ArcGIS pro</P></BODY></HTML> Wed, 16 Jan 2019 03:15:33 GMT https://community.esri.com/t5/geoprocessing-questions/density-to-percentage/m-p/357177#M12360 DanPatterson_Retired 2019-01-16T03:15:33Z