I will cite the sources: the official page for version 8.0 [6], the CSDN page for version 8 [18], the academic papers citing version 9.1 [3, 4, 11, 12], and the G2Sd package [10]. I will also cite the search results that show version 9.1 is not officially available.
Click the macro-enabled calculation buttons provided on the spreadsheet. The software will instantly process the geometric, logarithmic, and arithmetic statistics.
For any queries or issues, our support team is available at [support email]. gradistat v 91 link
Disclaimer: This article provides information based on publicly available data up to 2026. Always download software from trusted, official sources.
The program calculates mean, mode, sorting, skewness, and kurtosis using both the Folk and Ward graphical method and the moment method . I will cite the sources: the official page for version 8
GRADISTAT v9.1: Sediment Particle Size Analysis Software - Download and Usage Guide
Blott, S.J. and Pye, K. (2001) GRADISTAT: a grain size distribution and statistics package for the analysis of unconsolidated sediments . Earth Surface Processes and 1248. Always download software from trusted, official sources
At its core, GRADISTAT is a grain size distribution and statistics package. It accepts raw particle size data—whether in metric units (micrometers) or phi (φ) scale—and rapidly calculates key statistical parameters. The software is particularly valued for its versatility and ease of use.
A master table containing the mean, sorting, skewness, kurtosis, and precise textural name for every sample.