Enter the horsepower (HP), the pump efficiency (%), and the gallons per minute of flow (GPM) into the PSI from GPM Calculator. The calculator can evaluate GPM, HP, PSI, or efficiency when given the other variables.
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PSI from GPM Formula
The following formula is used to calculate the PSI from GPM.
PSI = HP * (1714 * E/100) / GPM
Variables:
- PSI is the PSI from GPM (pounds per square inch)
- HP is the horsepower (HP)
- E is the pump efficiency (%)
- GPM is the gallons per minute of flow (GPM)
To calculate PSI from GPM, multiply the hydraulic pump horsepower by the product of 1714 times the efficiency, then divide by the gallons per minute (GPM).
How to Calculate PSI from GPM?
The following steps outline how to calculate the PSI from GPM.
- First, determine the horsepower (HP).
- Next, determine the pump efficiency (%).
- Next, determine the gallons per minute of flow (GPM).
- Next, gather the formula from above = PSI = HP * (1714 * E/100) / GPM.
- Finally, calculate the PSI from GPM.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem:
Use the following variables as an example problem to test your knowledge.
horsepower (HP) = 100
pump efficiency (%) = 50
gallons per minute of flow (GPM) = 30
PSI = HP * (1714 * E/100) / GPM = ?
