Convert Darcy to Foot squared
Convert Darcy (D) to Foot squared (ft²) instantly and accurately.
Conversion Formula
ft² = D × 1.062315363e-11
About Darcy
The darcy (D) ≈ 9.869 × 10⁻¹³ m², the oilfield-standard permeability unit defined by Darcy's law: 1 D passes 1 cm³/s of 1 cP fluid through 1 cm² cross-section under a 1 atm/cm gradient. Highly permeable consolidated sandstone: 1-5 D; unconsolidated sand: 5-20 D. 1 D = 1 000 mD ≈ 0.9869 µm².
About Foot squared
The square foot (ft²) equals (0.3048 m)² = 9.290 304 × 10⁻² m² ≈ 9.41 × 10¹³ D. An imperial area unit included for unit-conversion completeness; it occasionally appears in US geotechnical reports where flow cross-sections are expressed in square feet. 1 ft² = 144 in² = 9.290 304 × 10⁻² m².
Quick Reference Table
| Darcy (D) | Foot squared (ft²) |
|---|---|
| 1 D | 1.062 × 10-11 ft² |
| 2 D | 2.125 × 10-11 ft² |
| 5 D | 5.312 × 10-11 ft² |
| 10 D | 1.062 × 10-10 ft² |
| 25 D | 2.656 × 10-10 ft² |
| 50 D | 5.312 × 10-10 ft² |
| 100 D | 1.062 × 10-9 ft² |