Find a volumetric flow rate from a volume delivered over a measured interval.
Liters per Minute Calculator
Form
Results
Flow rate
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Table of Contents
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What is Liters per Minute?
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How to Use This Calculator
- Enter or select Volume, Time.
- Check the unit beside each measurement. For a percentage or rate, use the scale and time period stated in the form.
- Choose Calculate, then compare the output with the formula and example below. If you change a value or option, calculate again to update the result.
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Formula Used
Liters per minute = volume in liters/time in minutes
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Variables Explained
| Input | What it means |
|---|---|
| Volume | Space occupied by the material or liquid, in the stated cubic or liquid-volume unit. |
| Time | Elapsed time or duration in the unit selected on the form. |
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Worked Example
Delivering 30 L over 2 minutes gives 15 L/min.
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Why Use This Calculator?
Use the result to put measurements on a common basis before comparing them or estimating quantities. The original measurement precision still limits the precision of the answer.
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Common Mistakes
- Convert seconds to minutes before dividing and measure over a representative steady-flow interval.
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Frequently Asked Questions
When should I round a measurement?
Carry the measured values and conversion factors through the calculation first. Round the final result to a precision justified by the original measurements.
Why can a supplier’s quantity differ?
Measurement conventions, nominal sizes, density assumptions and purchase rounding can change a practical quantity. Compare the units and assumptions before comparing the numbers.
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Sources & References
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