Soil Classify is a tool that instantly classifies soil for AASHTO and USCS (information about these systems can be found below):
Just input the values, and click submit!
If you have any difficulties with the app, please contact us using the "Info" tab.
AASHTO:
American Association of State Highway and Transportation Officials Classification System
(D-3282, M145)
USCS:
Unified Soil Classification System
(ASTM D-2487)