I cannot find an option to set a value axis to use logarithmic scale. Did I miss it or does such an option not exist? In case in doesn’t exist, could it be added? Excel Charts do offer that option, so I’d hope it would a matter of exposing it via the API.

Hi, We have added support for a logarithmic scale, please try again with this NuGet package: Install-Package GemBox.Spreadsheet -Version 2026.2.108 Note that this is a hidden pre-released version, to install it you’ll need to run the above command on the NuGet Package Manager Console (Tools → NuG…

GemBox Support Forum

Logarithmic scale

GemBox.Spreadsheet

opus131 February 15, 2026, 5:58pm 3

Thank you for implementing this so quickly Mario! Much appreciated!!

We have updated to version 2026.2.108 and the ValueAxis.LogBase property works exactly as expected; this fully resolves my issue.

Kind regards, Markus