Gradistat V 91 Link |work| Jun 2026

If you work in sedimentology, soil science, or coastal geomorphology, you have likely heard of . For years, this Excel-based add-in has been the quiet workhorse of grain size analysis. Today, we are looking specifically at Version 91 —a widely used iteration known for its stability and compatibility.

is frequently cited in recent scientific research (e.g., studies on North Atlantic Oscillation or floodplain deposits) as the primary tool for calculating grain size parameters. ScienceDirect.com Official Resource: The software is managed by Kenneth Pye Associates Ltd gradistat v 91 link

Physical Descriptions: Automatic naming of sediment types (e.g., "Very Fine Sand"). If you work in sedimentology, soil science, or

The software is freeware but requires permission from the author for commercial use. It is hosted on the Kenneth Pye Associates Ltd website. If you work in sedimentology