Hidden Notations

Please be noted: Some abbreviations are hidden. You may move your cusor over them and see the description.

Calculators with More Functions

Simple line Calculator Using Hazen-Williams Formula
Calculator for All Fluids Using Darcy Formula

Understand Flow Test

Plumbing and fire protection engineers would ask these questions: "How much water I can draw from a city water supply?" "How much pressure I can get?" ../More...

General Hydraulic Calculations

Flow rate in piping flowing in full
V(ft/s)	d(inch)	q(gpm)

Velocity in piping flowing in full
q(gpm)	d(inch)	v(ft/s)

Friction loss (Hazen-Williams Formula)
HWC	d(in)	q(gpm)	Loss(ft/ft)

Flow/velocity in gravity piping (Manning's Formula)
N	D (in)	h/D (0-1)	S (ft/ft)

q(cf/s)	q(gpm)	V(ft/s)	Rh(ft)

Flow Test
Ps (psi)	Pr (psi)	Qt (gpm)	Qr (gpm)	Pa (psi)

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