Pipe Velocity Calculator

Check fluid velocity through a pipe, hose or tube from flow rate and internal diameter, with flags for typical pressure and suction line limits.

Check fluid velocity in hydraulic lines. Recommended max: 2–4 m/s pressure lines, 1–2 m/s suction/return lines.

Pipe Inner DiameterInternal bore of the pipe or tube (not OD)

Flow Rate (L/min)Volumetric flow through the line

L/min

Flow Velocity

1.358 m/s

≈ 4.456 ft/s

Within typical hydraulic pressure-line range (2–5 m/s).

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These calculators are provided as a guide only. Always verify critical calculations with a qualified engineer before implementation.