Convert Nanodarcy to Nanometre squared
Convert Nanodarcy (nD) to Nanometre squared (nm²) instantly and accurately.
Conversion Formula
nm² = nD × 0.0009869232667
About Nanodarcy
The nanodarcy (nD) equals 10⁻⁹ D ≈ 9.869 × 10⁻²² m², the standard permeability unit for ultra-tight unconventional reservoirs. Barnett, Marcellus, and Eagle Ford shale matrix: 1-1 000 nD; crystalline basement rocks and caprocks: below 1 nD. Measured by pulse-decay or GRI crushed-rock methods. 1 nD = 10⁻³ µD = 10⁻⁶ mD.
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.
Quick Reference Table
| Nanodarcy (nD) | Nanometre squared (nm²) |
|---|---|
| 1 nD | 0.000986923 nm² |
| 2 nD | 0.00197385 nm² |
| 5 nD | 0.00493462 nm² |
| 10 nD | 0.00986923 nm² |
| 25 nD | 0.0246731 nm² |
| 50 nD | 0.0493462 nm² |
| 100 nD | 0.0986923 nm² |