Volumetric Flow Conversion

Convert common SI, U.S. liquid, and cubic-foot-per-minute volumetric flow units.

Concept

Q inQ outm³/s · L/s · gal/min · ft³/minQ=Same physical flowfactor=Unit conversion factorout=Selected display unit

Results

Enter inputs and select Calculate to display reviewed results.

Inputs

Formula & Variables

Qout =Qcanonicalfactorout
Q
Volumetric flow rate
[m^3/s]

Assumptions

  • U.S. gallons are liquid U.S. gallons.
  • cfm means cubic feet per minute.
  • No gas-state or density correction is applied.

⚠ Limitations

  • Does not convert SCFM to ACFM.
  • Does not infer mass flow, density, or hydraulic reasonableness.
Sources & Citations 3
  • Reviewed unit registryEng Calculators · 2026 · Formula authority
  • Crane TP-410Crane Co. · 2009 · Formula authority
  • Fluid MechanicsFrank M. White · 2011 · Formula authority