Pipe diameter, flow rate, pressure drop, and sizing calculators.
Calculate required pipe diameter from flow rate and velocity for any pipe material.
Calculate water flow rate from pipe diameter and pressure using standard flow equations.
Calculate pressure loss in pipes using the Hazen-Williams equation for plumbing systems.
Calculate total equivalent pipe length including fittings and valves for pressure calculations.
Calculate the water volume contained in any length and diameter of pipe.
Calculate the weight of pipe by material, diameter, and length for structural and shipping estimates.
Calculate water velocity in pipes from flow rate and diameter to check for noise and erosion limits.
Look up equivalent pipe lengths for common plumbing fittings by pipe size.
Calculate pipe expansion and contraction from temperature changes for expansion loop sizing.