| Formula | Calculator | Reverse units |
|---|---|---|
| 1 perm = 2275.497 darcy | Show conversions from darcy | |
| 1 perm = 2.24574e-9 kilogram meter/pascal square second | Show conversions from kilogram meter/pascal square second | |
| 1 perm = 2275497 millidarcy | Show conversions from millidarcy | |
| 1 perm = 2.24574e-5 square centimeter | Show conversions from square centimeter | |
| 1 perm = 2.417295e-8 square foot | Show conversions from square foot | |
| 1 perm = 2.24574e-9 square meter | Show conversions from square meter |