💧 Fluides
Calculatrices de débit, de pression et de dynamique des fluides. · 22 calculatrices
Bernoulli's Equation Calculator
Calculate pressure at a second point in a fluid system using Bernoulli's Equation, free online.
Buoyancy Force Calculator
Calculate the buoyant force on an object from fluid density and displaced volume, free online.
Dynamic & Stagnation Pressure Calculator
Calculate the dynamic pressure ½ρv² of a moving fluid and the stagnation pressure, free online.
Fitting Losses (K-Factor) Calculator
Calculate the pressure and head loss through valves, bends and fittings from their K-factors and the flow velocity, free online.
Flow Rate Calculator
Calculate volumetric flow rate from cross-sectional area and flow velocity, free online.
Froude, Mach & Weber Numbers Calculator
Calculate the Froude, Mach and Weber numbers of a flow from velocity, length, density and surface tension, free online.
Hazen-Williams Pipe Head Loss Calculator
Calculate friction head loss and pressure drop in a water pipe with the Hazen-Williams equation, free online.
Hydrostatic Pressure Calculator
Calculate fluid pressure at a given depth, free online.
NPSH Available (Pump) Calculator
Calculate the net positive suction head available at a pump and check the margin against the required NPSH to avoid cavitation, free online.
Open Channel Flow (Manning) Calculator
Calculate flow rate, velocity and Froude number in a rectangular or trapezoidal open channel with Manning's equation, free online.
Orifice Flow Calculator
Calculate the flow rate through an orifice under a given head, free online.
Pipe Pressure Drop Calculator
Calculate pressure drop and head loss in a pipe using Darcy-Weisbach, free online.
Pipe Sizing by Velocity Calculator
Pick a pipe diameter for a flow rate and target velocity and check the actual velocity in standard DN sizes, free online.
Pipe Volume Calculator
Calculate the volume of liquid a pipe holds, free online.
Pitot Tube Speed Calculator
Calculate flow or airspeed from a pitot tube pressure difference, free online.
Pump Power Calculator
Calculate the hydraulic and shaft power a pump needs, free online.
Pump Total Dynamic Head Calculator
Find a pump's total dynamic head from suction and discharge gauge readings, elevation and pipe velocities, free online.
Reynolds Number Calculator
Calculate the Reynolds number and determine whether flow is laminar or turbulent, free online.
Tank Drain Time Calculator
Estimate how long a tank takes to drain through an orifice, free online.
Venturi Meter Flow Calculator
Find the flow rate through a pipe from the pressure drop across a Venturi meter, free online.
Water Hammer Pressure Surge Calculator
Estimate the pressure surge from suddenly stopping flow in a pipe with the Joukowsky equation, free online.
Weir Flow Calculator
Estimate the flow over a rectangular sharp-crested weir, free online.