Permeability Converter

Convert porous-media permeability between square meters, darcy, millidarcy, square centimeters, and square feet.

Convert instantly

Enter a value and choose the units. Your answer updates as you type.

Value

From

Result

1.01324996583e+12 Darcy (D)

Quick reference

Square meter (m²)1 base units
Darcy (D)9.869233e-13 base units
Millidarcy (mD)9.869233e-16 base units
Square micrometer (µm²)1e-12 base units
Square centimeter (cm²)0.0001 base units
Square foot (ft²)0.09290304 base units

About the Permeability Converter

Permeability describes how readily a porous material transmits fluid under a pressure gradient in reservoir engineering, groundwater studies, filtration, and geotechnical work. The converter uses Square meter (m²) as its SI reference and retains full factor precision while you work, which avoids mixing dimensional prefixes or customary units in technical calculations.

Enter a value to see an immediate result—for example, 1 Darcy (D) equals 9.869233e-13 Square meter (m²). For adjacent calculations, the Mass Flux Density Converter and Dynamic Viscosity Converter provide complementary dimensional checks.

Frequently asked questions

What is the SI reference for permeability?

This page uses Square meter (m²) as the base unit, so every listed factor is a multiplier to that SI quantity.

When is a permeability useful?

Permeability describes how readily a porous material transmits fluid under a pressure gradient in reservoir engineering, groundwater studies, filtration, and geotechnical work.

Are these permeability factors exact?

SI prefixes and defined international units are represented with their standard factors; customary and CGS values are shown to the precision of their published definitions.

Take this calculation further

Browse the converters calculators collection for more tools in this subject.

For a related calculation, use Mass Flux Density Converter to convert mass flux density between kg/(s·m²), g/(s·m²), lb/(h·ft²), and other transport units. Alternatively, use Surface Tension Converter to convert surface tension between N/m, mN/m, dyne/cm, erg/cm², and pounds-force per foot.