Millidarcies to Darcies (mD to D)
Free online millidarcy to darcy converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
PERMEABILITY CONVERTER — INSTANT RESULT
Formula: multiply the millidarcy value by 0.001 — i.e. D = mD × 0.001
Quick check: 1 mD = 0.001 D
Quick check: 1 mD = 0.001 D
Millidarcies to Darcies conversion table
| Millidarcies (mD) | Darcies (D) |
|---|---|
| 1 mD | 0.001 D |
| 2 mD | 0.002 D |
| 3 mD | 0.003 D |
| 4 mD | 0.004 D |
| 5 mD | 0.005 D |
| 6 mD | 0.006 D |
| 7 mD | 0.007 D |
| 8 mD | 0.008 D |
| 9 mD | 0.009 D |
| 10 mD | 0.01 D |
| 15 mD | 0.015 D |
| 20 mD | 0.02 D |
| 25 mD | 0.025 D |
| 30 mD | 0.03 D |
| 40 mD | 0.04 D |
| 50 mD | 0.05 D |
| 75 mD | 0.075 D |
| 100 mD | 0.1 D |
| 250 mD | 0.25 D |
| 500 mD | 0.5 D |
| 1,000 mD | 1 D |
How to convert millidarcies to darcies
To convert millidarcies to darcies, multiply the amount in millidarcies by 0.001. For example, 10 mD = 0.01 D. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert porous-media permeability between darcies and square meters. One darcy ≈ 9.869233×10⁻¹³ m², typical of reservoir rock.
Frequently asked questions
How many darcies are in one millidarcy?
One millidarcy is exactly 0.001 darcies.
How do I convert mD to D?
Multiply the mD value by 0.001 to get D. The converter at the top of this page does this automatically and works in both directions.
How much is 100 millidarcies in darcies?
100 millidarcies equals 0.1 darcies.