684.5 darcy = 684,500 mD
| darcy | mD |
|---|---|
| 669.5 darcy | 669,500 |
| 674.5 darcy | 674,500 |
| 679.5 darcy | 679,500 |
| 684.5 | 684,500 |
| 689.5 darcy | 689,500 |
| 694.5 darcy | 694,500 |
| 699.5 darcy | 699,500 |
684.5 darcy = 684,500 mD
1 darcy = 1,000 millidarcy (mD) · 1 mD = 1,000 microdarcy (μD) · 1 darcy ≈ 9.869×10⁻¹³ m²