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). Normal atmospheric pressure is 14.7 psi, which means that a column of air one. 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. pressure conversion of units unit pressure convert psi Pa kPa bar torr. Here are some examples for you to practice. We assume you are converting between pound/square inch gauge and kilopascal. For more accurate calculations, use the scuba diving water pressure calculator above. To convert Pounds per Square Inch (psi) to Kilopascals (kPa), you just need to know that 1psi is equal to 6.89 kPa. The same is true for many types of unit conversion (there are some expections, such as temperature). If you follow this quick approach, you should get by just fine. Why is it simple Because it only requires one basic operation: multiplication. 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. This means, at 10m / 33ft depth, the water pressure is 2 bar/atm and at 30m/99ft around 3bar. 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. atmospheric pressure at sea level is approximately 14.7 psi). 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. Air pressure above sea level can be calculated as p 101325 (1 - 2.25577 10-5 h)5. psi MPa Convertor, conversion table and formula. Symbols, abbreviations, or full names for units of length,Īrea, mass, pressure, and other types.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. Result : 14.7 Psi 14.7 Pound/Square Inch How to convert Psi to Pound/Square Inch 1 psi (Psi) is equal to 1 pound/square inch (lb/in²). You can find metric conversion tables for SI units, as wellĪs English units, currency, and other data. 1Psi 6.89476kPa The pressure p in kilopascal (kPa) is equal to the pressure p in psi (Psi) times 6.89476, that conversion formula: p (kPa) p (Psi) × 6. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.Ĭonversion calculator for all types of measurement units. Result : 14.7 Psi 101.35293 Kilopascal How to convert Psi to Kilopascal 1 psi (Psi) is equal to 6.89476 kilopascal (kPa). The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The definition of a pascal is as follows: The SI prefix "kilo" represents a factor of It is the pressure resulting from a force of one pound-force applied to an area of one square inch. altitude diving), you will receive different results in bar, psi, and kPa. 1mm Hg : 133.3Pa 1 in Hg : 3.387 kPa : 0491 psi 1 in water (4C) 0.03613. The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) is a unit of pressure or of stress based on avoirdupois units. Select the target pressure unit you wish to convert to. Select the initial pressure unit you wish to convert from. By default, the converter is set to round the results to four decimal places. PSI to kilogram-force/square millimeter Select the desired accuracy level from the provided drop-down list.Bar to Kilopascal Conversion Table How to Convert Bar to Kilopascal 1 bar 100 kPa 1 kPa 0. KPa to PSI, or enter any two units below: Enter two units to convert From: This is true of most countries, including the United States. You can do the reverse unit conversion from
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