Convert Foot squared to Microdarcy
Convert Foot squared (ft²) to Microdarcy (µD) instantly and accurately.
Conversion Formula
µD = ft² × 9.413400528e+16
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 Microdarcy
The microdarcy (µD) equals 10⁻⁶ D ≈ 9.869 × 10⁻¹⁹ m², used for tight gas sands, coalbed methane matrix, and low-permeability carbonates. North Sea tight sandstones: 0.01-1 µD; coalbed methane matrix: 1-100 µD; mudrock caprocks: 0.001-1 µD. 1 µD = 10⁻³ mD = 10³ nD.
Quick Reference Table
| Foot squared (ft²) | Microdarcy (µD) |
|---|---|
| 1 ft² | 9.413 × 1016 µD |
| 2 ft² | 1.883 × 1017 µD |
| 5 ft² | 4.707 × 1017 µD |
| 10 ft² | 9.413 × 1017 µD |
| 25 ft² | 2.353 × 1018 µD |
| 50 ft² | 4.707 × 1018 µD |
| 100 ft² | 9.413 × 1018 µD |