Soil Mechanics & Lab Tests

Soil Permeability Calculator

Calculate soil permeability (hydraulic conductivity) using Constant Head Test, Falling Head Test, or Hazen's empirical formula.

ASTM D2434ASTM D5084

Inputs

Input Parameters

Results

Enter all required parameters to calculate hydraulic conductivity.

Theory and formulae

Theory & Equations

About this calculator

This free soil permeability calculator runs entirely in your browser: what you enter is never uploaded. Use the calculation steps and the theory section to check the working, and print a calculation sheet with the inputs, results and formulae for your records.

Methods and references: ASTM D2434, ASTM D5084.

Topics: permeability, hydraulic conductivity, constant head, falling head, hazen, seepage, groundwater.

Engineering notice: Results are for preliminary estimation, screening and education. All inputs and outputs must be independently verified by a qualified professional engineer before use in any design or construction decision. Read the full disclaimer