Orifice Plate Flow Calculator

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This professional tool calculates the flow rate of a fluid through an orifice plate based on differential pressure and fluid properties. It is designed for engineers worldwide, supporting both Metric and Imperial units, and is essential for accurate flow measurement and system design in various industrial applications.

Select Unit System: Output Flow Type: Output Flow Unit:

Primary Flow Parameters

Orifice Bore Diameter (d)

Pipe Inside Diameter (D)

Differential Pressure (ΔP)

Discharge Coefficient (C_d)

Fluid Type and Properties

Liquid Gas

Liquid Density (ρ)

Liquid Viscosity (μ)

Molecular Weight (MW)

Operating Temperature (T)

Absolute Upstream Pressure (P₁)

Specific Heat Ratio (k)

Gas Viscosity (μ)

Flow Calculation Results

Parameter	Value