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Engineering ToolBox > Pressure Converter
The table below can be used to convert gas pressure from kPa to psi or inches of water or mercury:
| Equivalent Pressure | |||
| kPa | Water (inches) | Mercury (inches) | Pound per square inch (psi) |
| .002 | .01 | .0007 | 0.00036 |
| .05 | .2 | .015 | 0.0072 |
| .07 | .3 | .022 | 0.0108 |
| .10 | .4 | .029 | 0.0145 |
| .12 | .5 | .037 | 0.0181 |
| .15 | .6 | .044 | 0.0217 |
| .17 | .7 | .051 | 0.0253 |
| .19 | .8 | .059 | 0.0289 |
| .22 | .9 | .066 | 0.0325 |
| .25 | 1.0 | .074 | 0.036 |
| .3 | 1.4 | .100 | 0.049 |
| .4 | 1.7 | .128 | 0.067 |
| .5 | 2.0 | .147 | 0.072 |
| .72 | 2.8 | .203 | 0.100 |
| .76 | 3.0 | .221 | 0.109 |
| 1.0 | 4.0 | .294 | 0.144 |
| 1.2 | 5.0 | .368 | 0.181 |
| 1.5 | 6.0 | .442 | 0.217 |
| 1.7 | 7.0 | .515 | 0.253 |
| 2.0 | 8.0 | .588 | 0.289 |
| 2.2 | 9.0 | .662 | 0.325 |
| 2.5 | 10 | .74 | 0.361 |
| 2.7 | 11 | .81 | 0.397 |
| 3.0 | 12 | .88 | 0.433 |
| 3.2 | 13 | .96 | 0.469 |
| 3.37 | 13.6 | 1.00 | 0.491 |
| 3.4 | 13.9 | 1.02 | 0.500 |
| 3.5 | 14 | 1.06 | 0.505 |
| 3.7 | 15 | 1.10 | 0.542 |
| 4.0 | 16 | 1.18 | 0.578 |
| 4.2 | 17 | 1.25 | 0.614 |
| 4.5 | 18 | 1.33 | 0.650 |
| 4.7 | 19 | 1.40 | 0.686 |
| 5.0 | 20 | 1.47 | 0.722 |
| 6.2 | 25 | 1.84 | 0.903 |
| 6.7 | 27.2 | 2.00 | 0.975 |
| 6.9 | 27.7 | 2.03 | 1.000 |