261.5 darcy = 261,500 mD
| darcy | mD |
|---|---|
| 246.5 darcy | 246,500 |
| 251.5 darcy | 251,500 |
| 256.5 darcy | 256,500 |
| 261.5 | 261,500 |
| 266.5 darcy | 266,500 |
| 271.5 darcy | 271,500 |
| 276.5 darcy | 276,500 |
261.5 darcy = 261,500 mD
1 darcy = 1,000 millidarcy (mD) · 1 mD = 1,000 microdarcy (μD) · 1 darcy ≈ 9.869×10⁻¹³ m²