fluid mechanics Calculators

Reynolds Number Calculator

Calculate Reynolds number for fluid flow analysis

Calculate pressure loss in pipes using Darcy-Weisbach equation

Calculate pressure, velocity, or elevation using Bernoulli's principle

Calculate flow velocity and discharge using Manning's equation

Calculate flow rate in pipes using Hazen-Williams equation

Calculate flow rate through a venturi meter

Calculate flow rate through an orifice opening

Calculate required pump power for fluid systems

Calculate fluid velocity in circular pipes

Calculate pressure at depth in static fluids

Calculate pressure loss due to friction in pipes using the Darcy-Weisbach equation

Calculate required pump power based on flow rate, head, and efficiency

Calculate flow rate through an orifice using the orifice equation

Calculate Reynolds number to determine flow regime in pipes and channels

Calculate time to drain a tank through an orifice using Torricelli's law

Calculate flow rate using venturi meter pressure differential

Calculate pressure at depth in static fluids including atmospheric pressure

Calculate optimal pipe diameter based on flow rate and velocity limits

Calculate flow rate over weirs using standard weir equations

Calculate pump performance at different speeds using affinity laws