Pipe Flow Velocity

Calculate velocity from flow rate and diameter

Input Parameters

L/min
mm
Fill in the values on the left and click Calculate to see your result.

Formula

v (m/s) = Q / A = Q / (π × (D/2)²)

Flow velocity is calculated by dividing volumetric flow rate by cross-sectional area.

Assumptions

Frequently Asked Questions

Why is flow velocity important?

It affects pressure drop, energy consumption, and system efficiency.