Convert Foot squared to Darcy
Convert Foot squared (ft²) to Darcy (D) instantly and accurately.
Conversion Formula
D = ft² × 94134005280
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.
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.
Quick Reference Table
| Foot squared (ft²) | Darcy (D) |
|---|---|
| 1 ft² | 9.413 × 1010 D |
| 2 ft² | 1.883 × 1011 D |
| 5 ft² | 4.707 × 1011 D |
| 10 ft² | 9.413 × 1011 D |
| 25 ft² | 2.353 × 1012 D |
| 50 ft² | 4.707 × 1012 D |
| 100 ft² | 9.413 × 1012 D |