Convert Inch squared to Kilodarcy
Convert Inch squared (in²) to Kilodarcy (kD) instantly and accurately.
Conversion Formula
kD = in² × 653708.37
About Inch squared
The square inch (in²) equals (0.0254 m)² = 6.4516 × 10⁻⁴ m² ≈ 6.54 × 10¹¹ D. An imperial area unit included for unit-conversion completeness; it appears in some US oil-country tubular goods and industrial filter-media specifications where flow cross-sections are stated in square inches. 1 in² ≈ 6.452 cm² = 6.4516 × 10⁻⁴ m².
About Kilodarcy
The kilodarcy (kD) equals 10³ D ≈ 9.869 × 10⁻¹⁰ m², used for very high-permeability porous structures. Gravel packs in oil wells: 1-100 kD; vuggy dissolved carbonates: 1-10 kD; loose sand-gravel mixtures: 10-1 000 kD. 1 kD = 10³ D = 10⁶ mD.
Quick Reference Table
| Inch squared (in²) | Kilodarcy (kD) |
|---|---|
| 1 in² | 653708 kD |
| 2 in² | 1307420 kD |
| 5 in² | 3268540 kD |
| 10 in² | 6537080 kD |
| 25 in² | 16342700 kD |
| 50 in² | 32685400 kD |
| 100 in² | 65370800 kD |