Convert Microdarcy to Metre squared
Convert Microdarcy (µD) to Metre squared (m²) instantly and accurately.
Conversion Formula
m² = µD × 9.869232667e-19
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.
About Metre squared
The square metre (m²) is the SI coherent unit of permeability (dimension [L²]) and the reference for all other permeability units. Most geological materials have k far below 1 m²; clean coarse gravel: ≈10⁻⁸ m²; shale: 10⁻²²-10⁻¹⁵ m². 1 m² = 10¹² µm² ≈ 1.013 × 10¹² D.
Quick Reference Table
| Microdarcy (µD) | Metre squared (m²) |
|---|---|
| 1 µD | 9.869 × 10-19 m² |
| 2 µD | 1.974 × 10-18 m² |
| 5 µD | 4.935 × 10-18 m² |
| 10 µD | 9.869 × 10-18 m² |
| 25 µD | 2.467 × 10-17 m² |
| 50 µD | 4.935 × 10-17 m² |
| 100 µD | 9.869 × 10-17 m² |