Enter the initial pressure, density, initial velocity, and final velocity of a fluid moving through a constrained volume to calculate the final pressure.

- Water Flow Rate Calculator
- Pipe Flow Calculator
- Pipe Fiction Loss Calculator
- Volumetric Flow Rate Calculator

## Flow Rate Pressure Formula

The following formula is used to calculate the final pressure of a fluid moving through a duct.

P2 = P1 * .5* p * (v2^2-v1^2)

- Where P2 is the final pressure
- P1 is the initial pressure
- V2 is the final velocity
- V1 is the initial velocity.
- p is the density.

## Flow Rate Pressure Definition

A flow rate pressure is defined as the pressure differential that arises from the flow of a fluid through a constrained area.

## Flow Rate Pressure Example

How to calculate flow rate pressure?

**First, determine the initial pressure.**Calculate or measure the initial/inlet pressure.

**Next, measure the initial and final velocities.**Calculate or measure the velocities at the start and end of the fluid flow.

**Next, calculate the density.**Determine the density of the fluid.

**Finally, calculate the final pressure.**Calculate the final pressure using the equation above.

## FAQ

**What is a flow rate pressure?**

A flow rate pressure is a pressure caused by the movement of a fluid.

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