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Flow Unit Converter

Convert volumetric flow between five fixed units.

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Flow: 0–1,000,000,000 in the selected unit. US GPM is US gallons/minute, not Imperial gallons. CFM is cubic feet/minute.

Fixed volume conversion only; no pressure, temperature, fluid density or standard/actual gas-flow correction. Not engineering design or safety advice.

Floating-point results use up to 6 significant digits; rounding does not improve accuracy.

1 m³/s = 1000 L/s = 3600 m³/h; 1 US gal = 3.785411784 L; 1 ft³ = 0.028316846592 m³

Enter values and calculate.

A QUICK WALKTHROUGH

How to use this tool

  1. Enter values in the stated units, then calculate.

Inputs and limits

Flow: 0–1,000,000,000 in the selected unit. US GPM is US gallons/minute, not Imperial gallons. CFM is cubic feet/minute. 1 m³/s = 1000 L/s = 3600 m³/h; 1 US gal = 3.785411784 L; 1 ft³ = 0.028316846592 m³ Floating-point results use up to 6 significant digits; rounding does not improve accuracy.

Scope

Fixed volume conversion only; no pressure, temperature, fluid density or standard/actual gas-flow correction. Not engineering design or safety advice.

GOOD TO KNOW

Common questions

Are these results a design or safety recommendation?

No. These are arithmetic estimates, not engineering design or safety advice. Inputs stay in this browser; nothing is uploaded or stored.

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