However, if you practice enough, you’ll be able to do the same in any units of measurement you choose. Water pressures for different depths at different elevations.Īs you can see, using metric measurements like bar and m is a lot more intuitive than imperial ones due to the decimal base (multiples of 10). Question: a) Convert 5.00x105 Pa (pascal) to psi (pound-force per square inch) b) Find the pressure in psi corresponding to 798 mm of Hg (density of. You’ll find all measurements in metric and imperial units and for simplicity sake, we assume freshwater and saltwater to be identical in pressure and density. Here are some examples for you to practice. For more accurate calculations, use the scuba diving water pressure calculator above. Result : 1 Pascal 0. If you follow this quick approach, you should get by just fine. 1 pascal 0.00014503773773 psi .7572931783 pascal Example: convert 86 Pa to psi: 86 Pa 592949. Therefore, when diving at 20m/66ft depth in a mountain lake at 2,000m/6,600ft elevation, you’ll experience 3.8bar/atm of pressure. When diving at altitude, subtract 0.1bar/atm per 1,000m/3,300ft elevation. Pascals to Pounds per square inch Conversion Table. This means, at 10m / 33ft depth, the water pressure is 2 bar/atm and at 30m/99ft around 3bar. 1 MPa 145.03773773 psi 1 psi 0.0068947573 MPa. So, the answer to the question what is 1 pascals in pounds per square inch is 0.00014503768078947 psi. How to determine the water pressure at depthįor quick calculations of the water pressure at depth, add 1 bar/atm per 10m / 33ft of water depth to the 1 bar/atm of atmospheric pressure. Switching for saltwater to freshwater will give you slightly lower pressures, as the density is smaller.Ītm measurements are more or less identical to bar. Depending on the diving depth you entered, and the elevation you’re at (for altitude diving), you will receive different results in bar, psi, and kPa.
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