Convert Darcy to Nanometre squared
Convert Darcy (D) to Nanometre squared (nm²) instantly and accurately.
Conversion Formula
nm² = D × 986923.2667
About Darcy
The darcy (D) ≈ 9.869 × 10⁻¹³ m², the oilfield-standard permeability unit defined by Darcy's law: 1 D passes 1 cm³/s of 1 cP fluid through 1 cm² cross-section under a 1 atm/cm gradient. Highly permeable consolidated sandstone: 1-5 D; unconsolidated sand: 5-20 D. 1 D = 1 000 mD ≈ 0.9869 µm².
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
| Darcy (D) | Nanometre squared (nm²) |
|---|---|
| 1 D | 986923 nm² |
| 2 D | 1973850 nm² |
| 5 D | 4934620 nm² |
| 10 D | 9869230 nm² |
| 25 D | 24673100 nm² |
| 50 D | 49346200 nm² |
| 100 D | 98692300 nm² |