Bug
The output of the Calculate Geometry function is giving different values for different versions of ArcGIS Pro.
| Bug ID Number | BUG-000156952 |
|---|---|
| Submitted | March 23, 2023 |
| Last Modified | April 19, 2025 |
| Applies to | ArcGIS Pro |
| Version found | 3.1 |
| Operating System | Windows OS |
| Operating System Version | N/A |
| Status | As Designed |
Additional Information
This difference is expected and necessary to achieve the correct result in ArcGIS Pro 3.1 and going forward. In previous versions of ArcGIS Pro, the area units used international definitions across ArcGIS. Starting in ArcGIS Pro 3.0, geoprocessing tools like the Calculate Geometry Attributes tool support area (and length) units based on both US Survey and International definitions, and these definitions are made explicit in the tools. Here are the two conversion factors: -43,559.999999999985 Sq US Survey feet in 1 US Survey acre (used when picking US Survey Acre in the Calculate Geometry tool in ArcGIS Pro 3.1) -43,559.82576017423 Sq US Survey feet in 1 International acre. For the first features displayed in the repro data or video, with a Shape_Area of 6,291,420.362288 square US feet, divided by the conversion factor above (43,559.999999999985) the resulting US Survey Acres value of 144.43113779357213 is correct.Steps to Reproduce
Bug ID: BUG-000156952
Software:
- ArcGIS Pro
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