Want to convert FPS to GPM? If you know the internal pipe diameter and velocity in feet per second, our feet per second to gallons per minute calculator makes the conversion easy! Be sure to bookmark this tool for your future needs.

Internal Pipe Diameter:
Velocity in Feet per Second:
Gallons per Minute:


Disclaimer: The formula used in the above calculator is based on information and calculations thought to be reliable. Since your use of the above formula and calculator is outside our control, we make no warranty or guarantee, expressed or implied, for the use or outcome from the results. We disclaim responsibility. It is your sole responsibility as the user to take precautions while applying the above formula and calculation, and you accept all risks of using it. NiGen International L.L.C will in no event be liable to any party for direct, indirect, consequential or special damages from the use of this formula or any other formula.