| SI - Metric System |
| kilopascal | 0.001 kPa |
| hectopascal | 0.01 hPa |
| pascal | 1 Pa |
| bar | 1.0 * 10-5 bar |
| millibar | 0.01 mbar |
| atmosphere | 9.8692327 * 10-6 atm |
| millimeters mercury | 0.0075006168 mm Hg |
|
| American System |
| pound per square foot | 0.020885435 lb/ft2 |
| pound per square inch | 0.00014503774 lb/in2 |
| inches mercury | 0.00029529988 in Hg |
|