| hPa | Pa | kg/m² | mmHg | kPa | PSI | kg/cm² | bar | atm | MPa |
| 1 | 100 | 10.197 | 0.750 | 0.1 | 0.0145 | 0.00102 | 0.001 | 0.000987 | 0.0001 |
| 9.807 | 980.665 | 100 | 7.356 | 0.981 | 0.142 | 0.01 | 0.00981 | 0.00968 | 0.000981 |
| 10 | 1000 | 101.972 | 7.501 | 1 | 0.145 | 0.0102 | 0.01 | 0.00987 | 0.001 |
| 100 | 10000 | 1019.716 | 75.00617 | 10 | 1.450 | 0.102 | 0.1 | 0.0987 | 0.01 |
| 133.322 | 13332.2 | 1359.506 | 100.000 | 13.332 | 1.934 | 0.136 | 0.133 | 0.132 | 0.0133 |
| 1000 | 100000 | 10197.162 | 750.0617 | 100 | 14.504 | 1.0197 | 1 | 0.987 | 0.1 |
| 1013.25 | 101325 | 10332.275 | 760 | 101.325 | 14.696 | 1.0332 | 1.0132 | 1 | 0.101 |