22. Conversion factor : pressure
The use of different pressure units might be confusing. This is why we suggest you a chart with the existing conversion factors.
| Unités Pression | 1 Pa = 1N/m² | mmce | mbar | bar | In H2O | ft H2O |
| 1 Pa = 1N/m² = | 1 | 0,10197 | 0,01 | 0,00001 | 0,0040146 | 0,0003345 |
| 1 mmce = | 9,8067 | 1 | 0,098067 | 0,000098067 | 0.03937 | 0,0032808 |
| 1 mbar = | 100 | 10,197 | 1 | 0,001 | 0,40146 | 0,033455 |
| 1 bar = | 100000 | 10197 | 1000 | 1 | 401,46 | 33,455 |
| 1 In H2O = | 249,09 | 25,4 | 2,4909 | 0,0024909 | 1 | 0,08333 |
| 1 ft H2O = | 2989,10 | 304,80 | 29,891 | 0,029891 | 12 | 1 |
Pa = Pascal ( 1 Pa = 1 Newton/m²)
mmce = Millimetre de colonne d’eau
mbar = Millibar
bar = Bar
In H2O = Pouce de colonne d’eau
ft H2O = Pieds Anglais de colonne d’eau