Permeability Converter
Convert between permeability units
rate：1 mD = 0.001 D
Results in all units
497 mD| Unit | Symbol | Value |
|---|---|---|
| Geological | ||
| Darcy | D | 0.497 |
| Millidarcy | mD | 497 |
| SI Units | ||
| Square meters | m² | 503,585,233,016.587952 |
About Permeability Conversion
497 Millidarcy equals 0.497 Darcy. The conversion rate is 1 mD = 0.001 D. You can switch to any other unit of this category above and see the result instantly.
This converter supports 3 units in total, including Darcy, Millidarcy, Square meters, and covers metric, imperial and Chinese traditional systems.
Essential in oil exploration, hydrogeology, and soil mechanics for determining fluid flow rates.
All values follow internationally accepted definitions and are rounded to the decimals you choose. The calculation runs entirely in your browser, so nothing is uploaded or stored on a server.
History & Background
Named after French engineer Henry Darcy, who established Darcy's Law in 1856 while studying the water supply of Dijon.
Conversion Details
Permeability measures a porous material's ability to transmit fluids. Common units are Darcy (D) and millidarcy (mD).
1 Darcy ≈ 9.87 × 10⁻¹³ m².