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GPM to L/min converter

Convert US gallons per minute to litres per minute and cubic metres per hour for pumps, hoses and water flow. One US gpm is 3.78541 L/min.

Results are estimates. They do not replace the governing code, class or flag requirements, or a check by a competent person. Report a problem

Formula

L/min = US gpm × 3.78541
US gpm = L/min × 0.264172

Worked example: 50 US gpm × 3.78541 = 189.271 L/min.

Conversion table: US gpm to L/min

US gpmL/minm³/h
13.785410.227125
27.570820.454249
518.92711.13562
1037.85412.27125
2075.70824.54249
50189.27111.3562
100378.54122.7125
200757.08245.4249
5001892.71113.562
10003785.41227.125

Conversion table: L/min to US gpm

L/minUS gpm
10.264172
20.528344
51.32086
102.64172
205.28344
5013.2086
10026.4172
20052.8344
500132.086
1000264.172

FAQ

How do I convert US gpm to L/min?
Multiply by 3.78541. To go back, multiply by 0.264172.

US or imperial gallons?
This page uses US gallons. One imperial gpm is 4.54609 L/min, about 20 % more; the flow converter has both.

How do I convert L/min to gpm?
Divide by 3.78541. 100 L/min is 26.4 US gpm.

Where can I convert other flow rate units?
The flow rate unit converter converts between every unit of flow rate on the site.