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Bug

The ArcGIS Online Map Viewer field calculation from an Arcade expression subtracting two values results in a value with extra decimals.

ArcGIS Online
Bug ID Number BUG-000177672
SubmittedJuly 3, 2025
Last ModifiedJuly 3, 2025
Applies toArcGIS Online
Version foundJune 2025
Operating SystemWindows OS
Operating System Version11.0 64 bit
StatusWill Not Be Addressed

Additional Information

This is an underlying behavior of JavaScript and will not be addressed. The behavior is a result of using floating-point numbers.

Workaround

The pop-up labels and attribute table can be set to be rounded to the nearest decimal, which provides the appearance of the correct number, but this does not fix the incorrect number. Refer to https://support.esri.com/en-us/knowledge-base/problem-the-number-of-decimal-places-is-not-reflected-i-000032890 and https://support.esri.com/en-us/knowledge-base/how-to-specify-the-number-of-decimal-places-for-a-field-000027141 for more information.

Steps to Reproduce

Bug ID: BUG-000177672

Software:

  • ArcGIS Online

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