Head loss
Hydrocalc Plus
Pressure loss in a pipe with Hazen-Williams, with a materials catalog and a fittings library for minor losses. Results table and PDF export.
Other apps by Transparent Blue Water
Focused hydraulic tools for the everyday calculations, on iOS and Android. Each one runs on your device.
Pump suction
NPSH Calculator
NPSH available against NPSH required, with the suction-line losses, water temperature and altitude behind it — and a clear cavitation verdict.
Small networks
Pipe Calc
Build a small pressurized network from a ready-made template, solve it, and read velocities and pressures color-coded on the map. Pumps, valves and reports included.