621.5 darcy = 621,500 mD
| darcy | mD |
|---|---|
| 606.5 darcy | 606,500 |
| 611.5 darcy | 611,500 |
| 616.5 darcy | 616,500 |
| 621.5 | 621,500 |
| 626.5 darcy | 626,500 |
| 631.5 darcy | 631,500 |
| 636.5 darcy | 636,500 |
621.5 darcy = 621,500 mD
1 darcy = 1,000 millidarcy (mD) · 1 mD = 1,000 microdarcy (μD) · 1 darcy ≈ 9.869×10⁻¹³ m²