Pump head calculation

Flow rate q (gpm):

Static head sh(ft)

Ins. diameter d (in)

Pipe or tube length L (ft)

Velocity (ft/s) = 5.1

Pipe friction head per 100 ft of pipe (ft/100 ft) = 30.9

Pipe friction head (ft) = 2.5

Pump head h (ft) = 2.5

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1. Don't take anything for granted, do your own calculations and verify these results.
2. The liquid is assumed to be water. Pipes or tubes are assumed to be smooth such as steel or PVC.
3. Match the pump head calculated with the vendor's rated head for a flow rate close to your required flow rate.
see this article The strange behavior of liquids

and also just day to day pumping situations. May 31, 2018
4. To check the values calculated for pipe friction see the Cameron Hydraulic data book pipe friction tables

5. If the suction line is longer than 3-4 ft, add this length to the length of the pipe.
6. This app is intended to be used for educational purposes, the author takes no responsibility for the use of these results.