1 liter per minute [L/min] = 0.264172 gallon (US) per minute [gpm]
Example: 1 liter per minute [L/min] equals 0.264172 gallon (US) per minute [gpm].
Examples
1 liter per minute [L/min] = 0.264172 gallon (US) per minute [gpm]
2 liter per minute [L/min] = 0.528344 gallon (US) per minute [gpm]
5 liter per minute [L/min] = 1.32086 gallon (US) per minute [gpm]
10 liter per minute [L/min] = 2.641721 gallon (US) per minute [gpm]
20 liter per minute [L/min] = 5.283441 gallon (US) per minute [gpm]
25 liter per minute [L/min] = 6.604301 gallon (US) per minute [gpm]
Practical Uses for liters per minute to gallons per minute
quick homework checksshopping and product comparisonstravel planningprofessional estimatesDIY and household measurementsgeneral reference
Sources and Accuracy
Flow rate conversions use cubic meter per second as the reference unit and include common pump, plumbing, HVAC, and process-flow units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
About These Units
liter per minute [L/min]
Definition
Liters per minute measures volume flow rate through a system each minute.
History
The unit follows metric volume and time measurement for practical fluid-flow values.
Current use
L/min is used for pumps, plumbing, irrigation, medical oxygen, lab equipment, and industrial flow.
gallon (US) per minute [gpm]
Definition
US gallons per minute measures volume flow rate in US liquid gallons each minute.
History
GPM developed from customary liquid volume measurement used in plumbing and pumping.
Current use
GPM is used for faucets, pumps, fire protection, irrigation, pools, and water-treatment systems.
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How to Convert
Enter the value in the “From value” field.
Confirm the source unit is liter per minute [L/min].
Confirm the target unit is gallon (US) per minute [gpm].
How do I convert liter per minute to gallon (US) per minute?
Use this formula: 1 liter per minute [L/min] = 0.264172 gallon (US) per minute [gpm] Enter your value in the calculator and the result updates instantly.
How many gallon (US) per minute are in 1 liter per minute?
1 liter per minute [L/min] equals 0.264172 gallon (US) per minute [gpm].
Can I reverse this conversion?
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.