Popular permeability (porous media) conversions
About permeability (porous media) units
Intrinsic permeability describes how easily fluid flows through a porous material such as rock, soil or a filter. It has units of area. The darcy is about 9.869233 × 10⁻¹³ m² (≈ 0.987 µm²); reservoir rocks are usually quoted in millidarcies.
Permeability (Porous Media) unit reference
| Unit | Symbol | Value in m² | System |
|---|---|---|---|
| Square meter | m² | 1 m² | SI |
| Square micrometer | µm² | 1×10⁻¹² m² | SI |
| Square centimeter | cm² | 0.0001 m² | SI |
| Darcy | D | 9.869233×10⁻¹³ m² | Other |
| Millidarcy | mD | 9.869233×10⁻¹⁶ m² | Other |
| Square foot | ft² | 0.09290304 m² | US customary |
Frequently asked questions
What is the SI unit of permeability (porous media)?
This converter uses the square meter (m²) as its reference unit; every other unit is defined relative to it.
How many permeability (porous media) units can I convert?
6 units are supported here, across SI, Other, US customary systems. Every pair can be converted in both directions.
Does this permeability (porous media) converter work offline?
Yes. Once the page has loaded, every calculation runs locally in your browser — nothing is sent to a server.