The international SI-unit for pressure is Pa and as a SI-conform unit bar. Nevertheless, conversion factors are occasionally required for the conversion of other pressure units, some of which are still commonly used. See the following table:
| Pa (N/m2) | bar | N/mm2 (MPa) | kp/m2 | Torr (mmHg) | psi | |
| Pa (N/m2) | 1 | 0,00001 | 0,000001 | 0,101972 | 0,007501 | 1,450377 · 10−4 |
| bar | 100 000 | 1 | 0,1 | 10 197 | 750,06 | 14,50377 |
| N/mm2 (MPa) | 1 000 000 | 10 | 1 | 101 972 | 7 500,6 | 145,0377 |
| kp/m2 | 9,80665 | 9,80665 · 10−5 | 9,80665 · 10−6 | 1 | 0,0735559 | 0,0014223 |
| Torr | 133,32 | 1,3332 · 10−3 | 1,3332 · 10−4 | 13,595098 | 1 | 0,0193368 |
| psi | 6894.76 | 6,8948 · 10−2 | 6,8948 · 10−3 | 703,06958 | 51,715 | 1 |
Further information on pressure units see WIKIPEDIA.
For references and links to external websites, please have a look at our explanations in our impressum.