FLUIDS
Permeability
Intrinsic permeability of porous media.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.001 D1 mD = 0.001 D
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mD to D Converter
Convert millidarcy (mD) to darcy (D). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through square metre
Enter a millidarcy value to calculate darcy with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| square metrefrom mD | m² | 9.86923e-16 |
| square micrometrefrom mD | µm² | 0.000986923 |
| darcyfrom mD | D | 0.001 |
| millidarcyfrom mD | mD | 1 |
| microdarcyfrom mD | µD | 1000 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
mD to D Conversion Reference
Millidarcy (mD) and darcy (D) are units of permeability. Use this page to convert in either direction.
Conversion Examples
| Millidarcy (mD) | Darcy (D) |
|---|---|
| 1 mD | 0.001 D |
| 5 mD | 0.005 D |
| 10 mD | 0.01 D |
| 100 mD | 0.1 D |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.