The permeability unit converter, which realizes the conversion between different permeability units, currently includes 7 permeability units and 42 conversion relationships.
The permeability units are as follows:
| Permeability unit | Abbreviation 1 | Abbreviation 2 |
| Square Meter | sq.m | m2 |
| Square Centimeter | sq.cm | cm2 |
| Square Micrometer | sq.µm | µm2 |
| Square Foot | sq.ft | ft2 |
| Darcy | d | |
| Millidarcy | md | |
| Microdarcy | µd |
