Molar Flow Converter

Convert molar flow rates between mol/s, mmol/s, mol/min, kmol/h, and pound-moles per second.

Convert instantly

Enter a value and choose the units. Your answer updates as you type.

Value

From

Result

1000 Millimole per second (mmol/s)

Quick reference

Mole per second (mol/s)1 base units
Millimole per second (mmol/s)0.001 base units
Mole per minute (mol/min)0.016666666666666666 base units
Mole per hour (mol/h)0.0002777777777777778 base units
Kilomole per second (kmol/s)1000 base units
Kilomole per hour (kmol/h)0.2777777777777778 base units
Pound-mole per second (lbmol/s)453.59237 base units

About the Molar Flow Converter

Molar flow is the natural accounting unit for reaction stoichiometry, gas blending, distillation, and chemical process design because it counts molecules rather than kilograms. The converter uses Mole per second (mol/s) as its SI reference and retains full factor precision while you work, which avoids mixing dimensional prefixes or customary units in technical calculations.

Enter a value to see an immediate result—for example, 1 Millimole per second (mmol/s) equals 0.001 Mole per second (mol/s). For adjacent calculations, the Molar Concentration Converter and Mass Flow Converter provide complementary dimensional checks.

Frequently asked questions

What is the SI reference for molar flow?

This page uses Mole per second (mol/s) as the base unit, so every listed factor is a multiplier to that SI quantity.

When is a molar flow useful?

Molar flow is the natural accounting unit for reaction stoichiometry, gas blending, distillation, and chemical process design because it counts molecules rather than kilograms.

Are these molar flow factors exact?

SI prefixes and defined international units are represented with their standard factors; customary and CGS values are shown to the precision of their published definitions.

Take this calculation further

Browse the converters calculators collection for more tools in this subject.

For a related calculation, use Molar Concentration Converter to convert molar concentration between mol/L, mol/m³, mmol/L, kmol/m³, and other chemically useful units. Alternatively, use Mass Flux Density Converter to convert mass flux density between kg/(s·m²), g/(s·m²), lb/(h·ft²), and other transport units.