You cannot directly convert PSI to GPM. They are two different units of measure. PSI measures pressure, and GPM measures flow rate. However, if other variables are known, you can use Bernoulli's equation to indirectly make a conversion. The following assumes the flow is in a pipe and the pipe diameter is known. It also assumes a steady state incompressible flow.Continue Reading
Ensure all units to be used agree with each other. This means ensuring there are no variables given in metric and that everything is measured in inches, not feet.
Use this equation, (g*h + (P/rho) + (V^2/2)) = constant, to solve for velocity. Upon isolating velocity, the equation will look like this: V = sqrt(2 * ((-P/rho) - g * h)) where P is the pressure, rho is the density of the fluid, g is gravity and h is the elevation above the reference plane.
Using the equation Q = V * A, calculate the velocity. Q is the volumetric flow rate, V is the velocity of the fluid and A is the cross-sectional area of the pipe.
PSI and PSIG are both units of measurement for describing the amount pressure a gas or fluid is exerting. However, PSIG specifies what the measurement is relative to, whereas PSI does not. In both units, the letters "psi" are an abbreviation for "pounds per square inch."Full Answer >
The maximum flow of water for a 2-inch steel pipe is 45 gallons per minute, while the maximum flow of water for a 24-inch steel pipe is 18,000 gallons per minute. The maximum flow of water for an 8-inch steel pipe is 1,600 gallons per minute.Full Answer >
Converting from pounds per square inch to pascals is a simple unit conversion problem that can be solved in a short amount of time with pencil and paper or calculator. Simply multiply the known information by the conversion factor, cancel the units and solve the equation.Full Answer >
PSI practice exams are located at PSI Learning Academy and at PSI Exams Online. Both sites offer multiple exams covering a variety of certification topics for pre-employment. Both sites are also pay-per-test sites, with a small fee required to access the exams.Full Answer >