690.5 darcy = 690,500 mD
| darcy | mD |
|---|---|
| 675.5 darcy | 675,500 |
| 680.5 darcy | 680,500 |
| 685.5 darcy | 685,500 |
| 690.5 | 690,500 |
| 695.5 darcy | 695,500 |
| 700.5 darcy | 700,500 |
| 705.5 darcy | 705,500 |
690.5 darcy = 690,500 mD
1 darcy = 1,000 millidarcy (mD) · 1 mD = 1,000 microdarcy (μD) · 1 darcy ≈ 9.869×10⁻¹³ m²