NPSH Calculator

Calculate Net Positive Suction Head Available.

Force per unit area, measured in PSI, Pa, or other units.
ft
Enter the static suction head value for this calculation.
ft
Enter the suction friction loss value for this calculation.
ft
Force per unit area, measured in PSI, Pa, or other units.
ft

Results

NPSH Available:
Calculated npsh available based on your inputs.
-ft
Safety Margin (NPSHA-10):
Calculated safety margin (npsha-10) based on your inputs.
-ft
Reference: AWWA/EPA Standards. Pump cavitation prevention.