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Both calculators run independently — change the inputs on either side to compare results.

Bernoulli Equation Calculator

Solve Bernoulli's equation to find downstream pressure in a flowing fluid given upstream conditions, elevation change, and system losses. Used in pipe system analysis, nozzle design, and pump selection.

Initial Velocity (m/s)

Initial Pressure (Pa)

Initial Elevation (m)

Final Elevation (m)

Fluid Density (kg/m³)

System Losses

Fill in the required fields to see your result.

Fluid Mechanics

Venturi Meter Flow Calculator

Determine the volumetric flow rate of a fluid passing through a venturi meter. Use this when designing pipelines or calibrating flow measurement devices in industrial systems.

Throat Diameter (m)

Pressure Difference (Pa)

Fluid Density (kg/m³)

Discharge Coefficient

Fill in the required fields to see your result.

Key differences

	Bernoulli Equation Calculator	Venturi Meter Flow Calculator
Category	Fluid Mechanics	Fluid Mechanics
Inputs required	6	4
Result	Final Pressure (Pa)	Flow Rate (m³/s)
What it does	Solve Bernoulli's equation to find downstream pressure in a flowing fluid given upstream conditions, elevation change, and system losses. Used in pipe system analysis, nozzle design, and pump selection.	Determine the volumetric flow rate of a fluid passing through a venturi meter. Use this when designing pipelines or calibrating flow measurement devices in industrial systems.