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Elevation / Static Head Pressure Calculator

Convert elevation and water column height to pressure and back. How many PSI doe

Flow Rate Calculator

Find water flow rate from pipe diameter and velocity, or measure it with a bucke

Friction Loss Calculator

Calculate friction loss in water piping with the Hazen-Williams formula: psi and

Head Loss Calculator

Calculate friction head loss per 100 feet of pipe from flow rate, internal diame

PEX, Copper & PVC Converter

Convert a pipe size between PEX, copper and PVC by matching internal bores, so t

Pipe Diameter Calculator

Calculate the required internal pipe diameter from flow rate and target water ve

Pipe Length Calculator

Find the effective length of a pipe run with fittings, or the maximum run a flow

Pipe Material Comparison

Compare PEX, copper, PVC and CPVC side by side for a chosen size and flow: inter

Pipe Schedule Lookup

Look up outside diameter, wall thickness, internal bore, flow area and pressure

Pipe Size Calculator (Flow Rate / Fixture Units)

Find an appropriate nominal pipe size from flow rate, fixture units, target wate

Pipe Volume Calculator

Find the water volume inside a pipe by length and inner diameter. Gallons, litre

Pressure Drop Calculator

Estimate pressure loss through a plumbing line from flow rate, pipe diameter, le

Water Pressure Calculator (Static vs Dynamic)

Compare static water pressure (no flow) with dynamic pressure under flow demand.

Water Velocity Calculator

Compute water velocity in a pipe from flow rate and internal diameter. Checks de