18.5 darcy = 18,500 mD
| darcy | mD |
|---|---|
| 15.5 darcy | 15,500 |
| 16.5 darcy | 16,500 |
| 17.5 darcy | 17,500 |
| 18.5 | 18,500 |
| 19.5 darcy | 19,500 |
| 20.5 darcy | 20,500 |
| 21.5 darcy | 21,500 |
18.5 darcy = 18,500 mD
1 darcy = 1,000 millidarcy (mD) · 1 mD = 1,000 microdarcy (μD) · 1 darcy ≈ 9.869×10⁻¹³ m²