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Pipe Flow Rate Calculator, Free Tool

Quick planning estimates from the Exodus Water Services engineering team.

Free with email

Pipe Flow Rate Calculator

Formula: Q (gpm) = Velocity (ft/s) × Area (ft²) × 448.8

Enter your values and hit Calculate.

Why this matters for your water system

Estimate flow through a pipe (GPM) from diameter and velocity.

These planning estimates help operators catch issues early, but regulatory submittals, treatment changes, and compliance decisions should always be reviewed by a licensed professional. Exodus Water Services provides that review as part of our compliance, cross-connection control, and operations programs across California.

Ensuring Safe & Compliant Water Systems in California

Talk to our team today, 24/7 support for emergencies, quotes, and compliance questions.

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