Unit conversion
Flow Rate Converter
Convert flow rate between liters per second, liters per minute, cubic meters per hour, gallons per minute, and cubic feet per minute.
Interactive calculator
Convert flow rate units
Compare liquid or air flow across liters, cubic meters, gallons, and cubic feet per unit time.
Results
Result (L/min)
189.2706
50 gpm = 189.2706 L/min
How to use it
- 01Enter the flow rate value you need to convert.
- 02Choose the current unit and the target unit.
- 03Read the converted result for your pump, pipe, or airflow scenario.
Result guide
- Liters per second act as the base flow unit behind the conversion.
- GPM is useful in many pump and plumbing contexts, while CFM is common for airflow.
- The page supports both short-interval and hourly flow units for easier comparison.
About this calculator
Flow-rate conversion is useful in plumbing, pumps, irrigation, HVAC, and process work because water and air systems are often documented with different unit conventions.
A practical converter should include both liquid and air-style units so it can support a wider range of design and maintenance tasks.
Frequently asked questions
Why include both GPM and CFM?
Because liquid and airflow systems often use different unit traditions even though both are flow-rate problems.
When is m3/h useful?
It is often used in equipment specifications, building systems, and industrial references.
Can this be used for air and water both?
Yes. It converts the unit expression only and does not depend on the specific fluid.
Method and limitations
This calculator uses the formula and assumptions described on this page. We do not claim independent professional review. Direct references will be listed here when they support a specific rule or data source used by this calculator.
Results are estimates for general information. Verify current rules and assumptions before making financial, tax, or health decisions.
Read our Editorial and Verification Policy →Related calculators
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