Molar Flow Rate Conversion
Convert molar flow rate between mol/s, mol/min, kmol/h, lbmol/h, and more units. Essential for chemical engineering, reactor design, and stoichiometric calculations. See also our Mass Flux Density Converter, Molarity Calculator, and Flow Converter.
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Popular Molar Flow Rate Converters:
What is a Molar Flow Rate Converter?
A molar flow rate converter is a tool that converts molar flow rate values between different unit systems. Molar flow rate measures the number of moles of a substance passing through a point per unit time, and is fundamental in chemical engineering, reactor design, and process control.
How to Convert Molar Flow Rate Units
Select the source and target molar flow rate units from the dropdown menus. Enter the value and the converter instantly calculates the equivalent. Common conversions include mol/s to kmol/h for industrial process specifications.
Molar Flow Rate Conversion Formulas
History of Molar Flow Rate Measurement
Molar flow rate became a standard measurement in chemical engineering as the mole concept was formalized in the 19th century. The SI unit mol/s is used internationally, while the pound-mole (lbmol) remains common in US chemical engineering practice. The kilomole is used for large-scale industrial processes.
About This Molar Flow Rate Converter
This molar flow rate converter supports 11 units: mol/second, mol/minute, mol/hour, mol/day, kilomol/second, kilomol/minute, kilomol/hour, millimol/second, millimol/minute, pound-mol/second, and pound-mol/hour.
Frequently Asked Questions
What is molar flow rate?
Molar flow rate is the number of moles of a substance that pass through a given cross-section per unit time. It is used to quantify chemical reaction rates, mass transfer, and process throughput in chemical engineering.
How do I convert mol/s to kmol/h?
Multiply mol/s by 3.6 to get kmol/h. For example, 10 mol/s = 36 kmol/h. This accounts for the 1000 mol/kmol factor and the 3600 s/h time conversion.
What is a pound-mole?
A pound-mole (lbmol) is the amount of substance whose mass in pounds equals its molecular weight. 1 lbmol = 453.59237 mol. It is commonly used in US chemical engineering calculations.
How is molar flow rate related to mass flow rate?
Molar flow rate equals mass flow rate divided by molecular weight: ṅ = ṁ/M. For example, water (M=18 g/mol) at 18 g/s has a molar flow rate of 1 mol/s.
Where is molar flow rate used?
Molar flow rate is used in chemical reactor design, distillation column sizing, gas pipeline calculations, combustion analysis, and any process where chemical composition and reaction stoichiometry matter.
Metric Conversion Factor Tables for Molar Flow Rate Converter
| Units to convert | Multiply By The Number | Convert as Unit |
|---|---|---|
| Mol/Second | 1 | Mol/Second |
| Mol/Minute | 0.016666667 | Mol/Second |
| Mol/Hour | 0.000277778 | Mol/Second |
| Mol/Day | 0.000011574 | Mol/Second |
| Kilomol/Second | 1000 | Mol/Second |
| Kilomol/Minute | 16.666667 | Mol/Second |
| Kilomol/Hour | 0.277778 | Mol/Second |
| Millimol/Second | 0.001 | Mol/Second |
| Pound-mol/Second | 453.59237 | Mol/Second |
| Pound-mol/Hour | 0.12599788 | Mol/Second |
Molar Flow Rateconverters & it's abbreviations
| Unit | Abbreviation | Unit | Abbreviation | Unit | Abbreviation |
|---|---|---|---|---|---|
| mol/second | mol/s | mol/minute | mol/min | mol/hour | mol/h |
| mol/day | mol/d | kilomol/second | kmol/s | kilomol/minute | kmol/min |
| kilomol/hour | kmol/h | millimol/second | mmol/s | millimol/minute | mmol/min |
| pound-mol/second | lbmol/s | pound-mol/hour | lbmol/h |
Complete list of Molar Flow Rate conversion units and its conversion.
- 1 mol/s = 60 mol/min
mol/s to mol/min → - 1 mol/min = 0.016667 mol/s
mol/min to mol/s → - 1 mol/s = 3600 mol/h
mol/s to mol/h →
- 1 mol/s = 7.9366 lbmol/h
mol/s to lbmol/h → - 1 lbmol/h = 0.126 mol/s
lbmol/h to mol/s →
- 1 mol/h = 0.000278 mol/s
mol/h to mol/s → - 1 mol/s = 3.6 kmol/h
mol/s to kmol/h → - 1 kmol/h = 0.27778 mol/s
kmol/h to mol/s →