| Symbol: | |
| Category: | Acoustic impedance |
| SI Equivalent: | 1 Pa-s/m3 |
| Dimension: | ML-4T-1 |
| System: | SI |
| Notes | |
| Unit for expressing acoustic impedance in the SI system. It corresponds to the acoustic impedance when a sound pressure of 1 Pa produces a volume flow rate of 1 m3/s. | |
| Acoustic impedance | ||
| Symbol | Unit Name | |
| 1 | Pa-s/m3 | pascal second per cubic meter |
| 4.10701×10-6 | psi-s/ft3 | psi second per cubic foot |
| 2.37674×10-9 | psi-s/in3 | psi second per cubic inch |
| Mechanical impedance | ||
| Symbol | Unit Name | |
| 1 | ohm (mechanical, SI) | |















