| Convert from these to pascals (Pa) | multiply by |
| standard atmosphere (atm) | 101 325 |
| technical atmosphere (atm) | 98066.5 |
| bar (bar) | 100 000 |
| dyne per sq centimetre (dyn/cm²) | 0.1 |
| gram-force per sq centimetre (gf/cm²) | 98.066 5 |
| kilogram-force per sq centimetre (kgf/cm²) | 98 066.5
|
| kilopascal (kPa) | 1 000 |
| megapascal (MPa) | 1 000 000 |
| millibar (mbar) | 100 |
| pound force/sq inch - PSI (lbf/in²) | 6 894.757 |
| centimetre of mercury(0°c) | 1 333.22 |
| std centimetre of mercury (cmHg) | 1 333.224 |
| millimetre of mercury (mmHg) | 133.322 4 |
| inch of mercury (32°C) | 3 368.38 |
| conventional inch of mercury (inHg) | 3 386.389 |
| centimetre of water (cmH2O) | 98.066 5 |