Convert Nanometre squared to Darcy
Convert Nanometre squared (nm²) to Darcy (D) instantly and accurately.
Conversion Formula
D = nm² × 1.013250000e-6
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 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.
Quick Reference Table
| Nanometre squared (nm²) | Darcy (D) |
|---|---|
| 1 nm² | 1.013 × 10-6 D |
| 2 nm² | 2.026 × 10-6 D |
| 5 nm² | 5.066 × 10-6 D |
| 10 nm² | 1.013 × 10-5 D |
| 25 nm² | 2.533 × 10-5 D |
| 50 nm² | 5.066 × 10-5 D |
| 100 nm² | 0.000101325 D |