Fluids, hydraulics and flows
Orifice flow rate
Calculates indicative flow from Cd, area, pressure drop, and density.
Related calculators
Orifice pressure drop
Calculates indicative pressure drop from flow rate, Cd, area, and density.
Jet velocity from pressure
Calculates ideal jet velocity from pressure drop and density.
Dynamic pressure
Calculates dynamic pressure from fluid density and flow velocity.
Volumetric flow rate
Calculates volumetric flow from area and velocity.
Mass flow rate
Calculates mass flow rate from density and volumetric flow.
Ideal-gas choked nozzle mass flow
Calculates choked mass flow and the critical pressure ratio for an ideal gas.