678.5 darcy = 678,500 mD
| darcy | mD |
|---|---|
| 663.5 darcy | 663,500 |
| 668.5 darcy | 668,500 |
| 673.5 darcy | 673,500 |
| 678.5 | 678,500 |
| 683.5 darcy | 683,500 |
| 688.5 darcy | 688,500 |
| 693.5 darcy | 693,500 |
678.5 darcy = 678,500 mD
1 darcy = 1,000 millidarcy (mD) · 1 mD = 1,000 microdarcy (μD) · 1 darcy ≈ 9.869×10⁻¹³ m²