Unit converter
Flow, pressure and head, velocity, length, volume, power and temperature in US, Imperial and metric units, plus a pipe-velocity helper.
Open the converterTDH & NPSHa calculator
Total dynamic head with Hazen-Williams friction and fitting losses, plus NPSH available with margin warnings, in metric or US units.
Included with the course when it launches. Join the waitlist to hear first.
Pipe friction calculator
Hazen-Williams friction loss, velocity and velocity head for a single pipe run: HDPE, steel, PVC, hose or a custom inside diameter.
Open pipe frictionHDPE pipe dimensions
OD, minimum wall, average and minimum-wall inside diameter, and PE4710 pressure rating for IPS and DIPS HDPE by DR.
Open HDPE dimensionsSystem curve plotter
Build a system curve across flows and overlay a pump curve to find the operating point.
Parallel / series combiner
Combine pump curves in parallel or series and check against the system curve.
Manning's sewer flow estimator
Estimate gravity sewer flow from pipe size, slope and depth for bypass sizing.
Tools are for education and planning. See the disclaimer.
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Join the waitlist for course updates, new free tools and founding pricing for waitlist members.