Gradistat V 91 Free May 2026

Using the Folk (1954) or Shepard (1954) classification schemes, Gradistat automatically names your sediment – e.g., "slightly gravelly muddy sand."

When reporting results, include: software name (Gradistat), version (v91), date of analysis, and which calculation methods were used (e.g., Folk & Ward graphical method). This aids reproducibility and comparison across studies.

A common point of confusion: Is Gradistat v 9.1 really free? And where can you download it safely today?

Official Status: The original website (www.kpal.co.uk) no longer hosts the software. The developers have retired or moved on. However, the software was released as freeware for academic and non-commercial use. No one currently holds exclusive distribution rights, but the original license remains in force.

Safe Download Sources (as of 2025-2026): gradistat v 91 free

⚠️ Important Warning: Never download Gradistat from untrusted "crack" or "serial key" websites. The software is free – anyone charging for it is scamming you. Always scan downloaded .exe or .xls files for malware (though the original is a simple macro workbook).


Best if you have a screenshot of the spreadsheet or a grain size graph.

Caption: Speed up your lab work with Gradistat v9.1! 📊🪨

The essential tool for sedimentologists just got an update. If you haven't tried Gradistat yet, it is the standard for calculating grain size distribution, sorting, and skewness without the headache. Using the Folk (1954) or Shepard (1954) classification

✅ Free download ✅ Excel compatible ✅ Instant graphs

Grab the v9.1 update at the link in our bio/below! 👇

#GeologyLife #Sedimentology #Gradistat #LabHacks #PhDChat #Research #EarthScience


Note: If you have the specific download link (usually hosted on a university faculty page or a geology repository), make sure to paste it where it says [Insert Link Here]. Best if you have a screenshot of the

Despite its popularity, users report recurring problems:

Fix: Unblock the file before opening: Right-click the .xls file → Properties → Check "Unblock" → Apply. Then open Excel and enable macros.

| Feature | GradiStat v9.1 Free | R + tidyverse/gravy | PAST 4.x (Free) | | :--- | :--- | :--- | :--- | | UI | Text-based / DOS-like | Script-only | Modern GUI | | Gradient Optima | Excellent | Excellent | Good | | Bootstrapping | No | Yes | Yes | | Learning Curve | Steep (cryptic) | Steep (coding) | Gentle | | Graph Output | None | Publication-quality | Basic |