Engineering calculator collection
Fluid Mechanics Calculators
Free fluid mechanics calculators for pressure, flow, velocity, mass flow and engineering fluid systems.
Pressure Calculator
Calculate pressure from normal force over area.
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Volumetric Flow Rate Calculator
Calculate volumetric flow rate Q = Av.
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Fluid Velocity from Flow Rate Calculator
Calculate average velocity v = Q / A.
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Hydrostatic Pressure Calculator
Calculate pressure increase from fluid density and depth.
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Mass Flow Rate Calculator
Calculate mass flow rate from fluid density and volumetric flow rate.
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Bernoulli Pressure Calculator
Estimate downstream static pressure using Bernoulli's equation including elevation change.
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Darcy–Weisbach Pressure Loss Calculator
Calculate major pressure loss along a straight pipe from Darcy friction factor.
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Hydraulic Power Calculator
Calculate ideal hydraulic power from pressure difference and volumetric flow rate.
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Orifice Flow Rate Calculator
Estimate incompressible flow through an orifice from pressure difference.
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