Flow Rate (Molar) Converter

Convert between various units of molar flow rate (e.g., mol/s, kmol/h, lbmol/min).

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Understanding Molar Flow Rate

Molar flow rate (ṅ) is the amount of substance (measured in moles) that passes through a particular surface per unit of time. It is a fundamental quantity in chemical engineering and process design.

The SI unit for molar flow rate is moles per second (mol/s).

Common Molar Flow Rate Units
Unit NameSymbolRelation to mol/s (Approx.)
Mole/secondmol/sBase unit (1 mol/s)
Mole/minutemol/min0.016667 mol/s
Mole/hourmol/h0.00027778 mol/s
Kilomole/secondkmol/s1000 mol/s
Kilomole/hourkmol/h0.27778 mol/s
Pound-mole/secondlbmol/s453.59237 mol/s
Pound-mole/minutelbmol/min7.55987 mol/s
Pound-mole/hourlbmol/h0.125998 mol/s