Pressure to Head Unit Converter
Convert between commonly used units for pressure and head:
| from | Multiply by | |||||
| to | ||||||
| lb/in2 | lb/ft2 | Atm | kg/cm2 | kg/m2 | in. water (68oF) | |
| lb/in2 | 1 | 144 | 0.068046 | 0.070307 | 703.070 | 27.7276 |
| lb/ft2 | 0.0069444 | 1 | 0.000473 | 0.000488 | 4.88241 | 0.1926 |
| Atm. | 14.696 | 2116.22 | 1 | 1.0332 | 10332.27 | 407.484 |
| kg/cm2 | 14.2233 | 2048.155 | 0.96784 | 1 | 10000 | 394.38 |
| kg/m2 | 0.001422 | 0.204768 | 0.0000968 | 0.0001 | 1 | 0.03944 |
| in. water (68oF) | 0.036092 | 5.1972 | 0.002454 | 0.00253 | 25.375 | 1 |
| ft. water (68oF) | 0.432781 | 62.3205 | 0.029449 | 0.03043 | 304.275 | 12 |
| in. mercury, inHg (32oF) | 0.491154 | 70.7262 | 0.033421 | 0.03453 | 345.316 | 13.6185 |
| mm mercury, inHg (32oF) | 0.0193368 | 2.78450 | 0.0013158 | 0.0013595 | 13.59509 | 0.53616 |
| Bars | 14.5038 | 2088.55 | 0.98692 | 1.01972 | 10197.2 | 402.156 |
| MPa | 145.038 | 20885.5 | 9.8692 | 10.1972 | 101972.0 | 4021.56 |
| from | Multiply by | ||||
| to | |||||
| ft. water (68oF) | in. mercury (32oF) | mm mercury (32oF) | Bars | MPa | |
| lb/in2 | 2.3106 | 2.03602 | 51.7150 | 0.06895 | 0.006895 |
| lb/ft2 | 0.01605 | 0.014139 | 0.35913 | 0.000479 | 0.0000479 |
| Atm | 33.9570 | 29.921 | 760 | 1.01325 | 0.101325 |
| kg/cm2 | 32.8650 | 28.959 | 735.559 | 0.98067 | 0.098067 |
| kg/m2 | 0.003287 | 0.002896 | 0.073556 | 0.000098 | 0.0000098 |
| in. water (68oF) | 0.08333 | 0.073430 | 1.8651 | 0.00249 | 0.000249 |
| ft. water (68oF) | 1 | 0.88155 | 22.3813 | 0.029839 | 0.0029839 |
| in. mercury, inHg (32oF) | 1.1349 | 1 | 25.40005 | 0.033864 | 0.0033864 |
| mm mercury, inHg (32oF) | 0.044680 | 0.03937 | 1 | 0.001333 | 0.0001333 |
| Bars | 33.5130 | 29.5300 | 750.062 | 1 | 0.10 |
| MPa | 335.130 | 295.300 | 7500.62 | 10.0 | 1 |
Example - Convert Head in inHg to Pressure MPa
Atmospheric pressure is measured to 29.92 inHg. According the table above - to convert this value to MPa it must be multiplied with 0.0033864.
(29.92 inHg) 0.0033864 = 0.1013 MPa (1.013 105 Pa)
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