Soil Shear Strength Calculator
Calculate Mohr–Coulomb shear strength from cohesion, normal effective stress, and friction angle.
A QUICK WALKTHROUGH
How to use this tool
- Enter the parameters and units listed below.
- Review the formula and scope limits.
- Calculate locally in this browser.
Formula and scope
τf = c′ + σ′n tan φ′. This is a parameterized failure envelope, not a test or stability assessment. This is an arithmetic aid only; verify inputs and assumptions independently.
Privacy
Inputs are processed locally and are not uploaded or stored.
GOOD TO KNOW
Common questions
Does this select design or operating parameters?
No. It calculates only from values you provide and is not a safety or process recommendation.