Convert Nanometre squared to Millidarcy
Convert Nanometre squared (nm²) to Millidarcy (mD) instantly and accurately.
Conversion Formula
mD = nm² × 0.00101325
About Nanometre squared
The nanometre squared (nm²) equals 10⁻¹⁸ m², used in membrane science and nanotechnology for nanoporous media. ZSM-5 zeolite pore cross-section ≈ 0.25 nm²; ceramic ultrafiltration membranes: 0.01-1 nm². Numerically, 1 nm² ≈ 1.013 µD. 1 nm² = 10⁻⁶ µm² = 10⁻¹⁸ m².
About Millidarcy
The millidarcy (mD) equals 10⁻³ D ≈ 9.869 × 10⁻¹⁶ m², the everyday unit in petroleum reservoir engineering worldwide. Conventional sandstone reservoirs: 1-1 000 mD; carbonate reservoirs: 0.1-100 mD; economic gas recovery typically requires k ≥ 0.1 mD. Permeameter and well-test reports give results in mD. 1 mD = 10⁻³ D = 10³ µD.
Quick Reference Table
| Nanometre squared (nm²) | Millidarcy (mD) |
|---|---|
| 1 nm² | 0.00101325 mD |
| 2 nm² | 0.0020265 mD |
| 5 nm² | 0.00506625 mD |
| 10 nm² | 0.0101325 mD |
| 25 nm² | 0.0253312 mD |
| 50 nm² | 0.0506625 mD |
| 100 nm² | 0.101325 mD |