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Pipe Flow Rate Calculator

Calculate flow rate for pipes and channels. Choose circular, partially filled, rectangular, or custom shape, enter size and velocity, get flow.

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Last updated: February 9, 2026

Created by: Eon Tools Dev Team

Reviewed by: Mahendra Thapaliya



Mahendra Thapaliya

Mahendra Thapaliya is a graduate student in Structural Engineering at the University of Bologna, with research interests in structural systems, FEM, earthquake engineering, and numerical modeling. At Eon Tools, he reviews construction tools.