So, to convert directly from bar to pounds per square inch, you multiply by 14.503774. Or, you can find the single factor you need by dividing the A factor by the B factor.įor example, to convert from bar to pounds per square inch you would multiply by 100000 then divide by 6894.757. To convert among any units in the left column, say from A to B, you can multiply by the factor for A to convert A into Pascals then divide by the factor for B to convert out of Pascals. To convert from Pa into units in the left columnĭivide by the value in the right column or, multiply by the reciprocal, 1/x.ĥ00000 Pa / 100000 = 5 bar Multiply by the conversion value in the right column in the table below.ĥ bar * 100000 = 500000 Pa To simply convert from any unit into pascals, for example, from 5 bar, just Current use: The psi is fairly widely used to measure numerous pressures, such as tire pressure, scuba tank pressure, natural gas pipeline pressure, among others. Where S is our starting value, C is our conversion factor, and How to Convert Units of PressureĬonversions are performed by using a conversion factor. By knowing the conversion factor, converting between units can become a simple multiplication problem: Some are obvious, such as pounds per square inch, but even the SI standard Pascal is actually an expression of one Newton per square meter. Since pressure is derived from force and area, many units for pressure directly relate force to area. Where P is equal to pressure, F is the normal force and A is area. head in feet of water (ft h2o).Pressure is a scalar quality reflecting how force acts on a surface. Pressure in pounds per square inch (psi) vs. Water - Density, Specific Weight and Thermal Expansion Coefficientsĭefinitions, online calculator and figures and tables with water properties like density, specific weight and thermal expansion coefficient of liquid water at temperatures ranging 0 to 360☌ (32 to 680☏). Pressure acting on underground pipes due to weight of soil and transport.įlow rate or discharge in an open conduit, channel or river can be calculated with the velocity-area principle. Static pressure graphical presentation throughout a fluid flow system.Ĭonvert between pressure units like Pa, bar, atmosphere, pound square feet, psi and more.Ĭonverting head (ft or m) to pressure (psi or bar, kg/cm 2) and vice versa. Introduction to pressure - online pressure units converter. Hydrostatic Force acting on Submerged SurfaceĬalculate the thrust force acting on a submerged surface. Pascal's law and the hydraulic force acting in fluids. Involving velocity, pressure, density and temperature as functions of space and time.įorces acting on bodies submerged in fluids.īuoyancy is the resultant force acting on a submerged body. Ocean pressure varies with depth and position (latitude) on earth. The density of water at 32 o F is 1.940 slugs/ft 3. = 9810 Pa Example - Pressure acting in water at depth 3 ft The pressure acting in water at 1 m can be calculated as The density of water at 4 o C is 1000 kg/m 3. Water Depth Height of Water ColumnĮxample - Pressure acting in water at depth 1 m Hydrostatic pressure in a water column - or depth ( density of water 1000 kg/m 3 ): Hydrostatic Pressure vs. H = height of fluid column - or depth in the fluid where pressure is measured (m, ft) Ρ = density of liquid (kg/m 3, slugs /ft 3 ) P = pressure in liquid (N/m 2, Pa, lb f /ft 2, psf) Hydrostatic pressure in a liquid can be calculated as
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