Pipe flow velocity
Estimate fluid velocity in a full round pipe from volumetric flow and inside diameter.
Inputs
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Results
- Cross-sectional area
- 0.001963495408 m²
- Flow velocity
- 0.8488263632 m/s
Assumes a full round pipe with steady, incompressible flow. It excludes fittings, two-phase flow and gas compressibility, and is not a pipe-sizing or erosion-limit decision.
Formula & guidance
velocity = flow ÷ area, where area = π ÷ 4 × diameter²
Assumes a full round pipe with steady, incompressible flow. It excludes fittings, two-phase flow and gas compressibility, and is not a pipe-sizing or erosion-limit decision.
Change the example inputs and check each field’s units. Use equipment datasheets and applicable project standards for final decisions. Results do not establish Canadian electrical-code compliance or certify a design.