1,640 darcy = 1,640,000 mD
| darcy | mD |
|---|---|
| 1,625 darcy | 1,625,000 |
| 1,630 darcy | 1,630,000 |
| 1,635 darcy | 1,635,000 |
| 1,640 | 1,640,000 |
| 1,645 darcy | 1,645,000 |
| 1,650 darcy | 1,650,000 |
| 1,655 darcy | 1,655,000 |
1640 darcy = 1,640,000 mD
1 darcy = 1,000 millidarcy (mD) · 1 mD = 1,000 microdarcy (μD) · 1 darcy ≈ 9.869×10⁻¹³ m²