| Unit | Standard Form | Name | Scale | Offset |
| 1/Pa | 1/Pa | inverse pascal | 1.00E+000 | 0.00E+000 |
| 1/psi | 1/psi | inverse psi | 1.45E-004 | 0.00E+000 |
| 1E-6 1/Pa | 1E-6 1/Pa | micro inverse pascal | 1.00E-006 | 0.00E+000 |
| 1E-6 1/psi | 1E-6 1/psi | micro inverse pound per square inch | 1.45E-010 | 0.00E+000 |
