Darcies to Millidarcies (D to mD)
Free online darcy to millidarcy 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 darcy value by 1,000 — i.e. mD = D × 1,000
Quick check: 1 D = 1,000 mD
Quick check: 1 D = 1,000 mD
Darcies to Millidarcies conversion table
| Darcies (D) | Millidarcies (mD) |
|---|---|
| 1 D | 1,000 mD |
| 2 D | 2,000 mD |
| 3 D | 3,000 mD |
| 4 D | 4,000 mD |
| 5 D | 5,000 mD |
| 6 D | 6,000 mD |
| 7 D | 7,000 mD |
| 8 D | 8,000 mD |
| 9 D | 9,000 mD |
| 10 D | 10,000 mD |
| 15 D | 15,000 mD |
| 20 D | 20,000 mD |
| 25 D | 25,000 mD |
| 30 D | 30,000 mD |
| 40 D | 40,000 mD |
| 50 D | 50,000 mD |
| 75 D | 75,000 mD |
| 100 D | 100,000 mD |
| 250 D | 250,000 mD |
| 500 D | 500,000 mD |
| 1,000 D | 1,000,000 mD |
How to convert darcies to millidarcies
To convert darcies to millidarcies, multiply the amount in darcies by 1,000. For example, 10 D = 10,000 mD. 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 millidarcies are in one darcy?
One darcy is exactly 1,000 millidarcies.
How do I convert D to mD?
Multiply the D value by 1,000 to get mD. The converter at the top of this page does this automatically and works in both directions.
How much is 100 darcies in millidarcies?
100 darcies equals 100,000 millidarcies.