Fluid Mechanics Calculators
In development — coming soonFluid mechanics calculators cover flow regime, energy loss, and the pressure a system needs to move a fluid from one point to another. This category is in development and no tools are published yet.
The planned tools use the standard method for each application — Darcy-Weisbach with a Colebrook friction factor for closed conduits, Manning for open channels, and Bernoulli with a loss term for energy accounting. Every result will state the flow regime it assumed.
Until then, nothing on this page is a working tool. The lists below show what the category will hold and which published calculators already overlap with it, so a visit here does not end in a dead end.
What This Category Will Cover
Planned tools. None of these are live yet, so they are not links.
Closest Tools Available Today
Published calculators that already answer part of a fluid mechanics question.
Hazen-Williams Pipe Flow Calculator — Head Loss
Calculate water head loss, flow rate, or pipe diameter with the Hazen-Williams equation. C factor by material and condition, with velocity and pressure loss.
Calculate nowValve Cv Flow Calculator — Flow, Cv & Pressure Drop
Solve valve flow, required Cv or Kv, and pressure drop for liquid service, with choked-flow and cavitation screening per ISA-75.01.01 and IEC 60534-2-1.
Calculate nowPump Power Calculator — Hydraulic, Brake & Motor HP
Calculate pump hydraulic power, brake horsepower, and motor electrical input from flow, TDH, SG, and efficiency.
Calculate nowVelocity Pressure Calculator
Calculate velocity pressure in HVAC systems using air velocity for duct design and fan selection
Calculate nowCategories You Can Use Right Now
Need one of these sooner?
Requests move the order of work. Tell us which fluid mechanics calculation you run most often and what standard it has to follow, and it goes near the front of the queue for this category.