PSI to GPM

PSI

Water pressure at the source

Internal diameter of the pipe

Typical values: Sharp orifice (0.6), Well-rounded (0.8), Venturi (0.98)

Converted Value

Flow Rate

Calculated from pressure and pipe dimensions

--
GPM

GPM

--

LPM

--

CFS

--

CMS

--

GPH

--

LPS

--

Calculation Details

Pressure Head: --
Pipe Area: --
Velocity: --
Formula: Q = C × A × √(2gh)

Hydraulic Flow Formulas

• Q = C × A × √(2gh)
• h = P/(ρg) = P × 2.31 ft
• A = π × d²/4
• V = Q/A

What this tool does

PSI to GPM

Professional PSI to GPM flow rate calculator for engineering applications. Calculate flow rates from pressure and pipe dimensions with precision.

How the calculation works

Enter a value, choose the relevant units, and the tool applies the standard relationship between those units to calculate the result.

Part of Engineering & Technical Conversions.

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