Issue 1 V1.08
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Hydraulic Conductivity Ranges of Various Soil Types

More Properties

Soil Description Hydraulic Conductivity, k
Imperial (ft/s) Metric (m/s)
min. max. min. max.

Representative Values for Hydraulic Conductivity of Soils

Permeability Representative Values

Typical Permeability Classes

Permeability Classes

Notation and Units

Metric and Imperial Units

The above values have been provided with both imperial and metric units. As with all calculations care must be taken to keep consistent units throughout. A guide to Soil Types has been provided by StructX and additional information has been provided below.


  • k = hydraulic conductivity, ft/s or m/s