Volumetric Flow Rate

Gallons per Minute to Liters per Minute Converter

Convert gallons per minute (gpm) to liters per minute (L/min). 1 US gallon per minute = 3.785411784 liters per minute (exact)

1 US gallon per minute = 3.785411784 liters per minute

How to convert gallons per minute to liters per minute

FormulaL/min = gpm × 3.785411784

Multiply the value in gallons per minute by 3.785411784. To go the other way, multiply by 0.2641720524 (or divide by 3.785411784).

An US gallon per minute is larger than a liter per minute: one US gallon per minute contains 3.785411784 liters per minute.

Worked examples

  • 1 US gallon per minute1 gpm × 3.785411784 = 3.785411784 L/min
  • 5 gallons per minute5 gpm × 3.785411784 = 18.92705892 L/min
  • 10 gallons per minute10 gpm × 3.785411784 = 37.85411784 L/min
  • 20 gallons per minute20 gpm × 3.785411784 = 75.70823568 L/min
  • 100 gallons per minute100 gpm × 3.785411784 = 378.5411784 L/min

Gallons per minute to liters per minute conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Gallons per minute to liters per minute: 0.1–10 gpm
Gallons per minute (gpm)Liters per minute (L/min)
0.1 gpm0.37854118 L/min
0.25 gpm0.94635295 L/min
0.5 gpm1.8927059 L/min
1 gpm3.7854118 L/min
2 gpm7.5708236 L/min
3 gpm11.356235 L/min
4 gpm15.141647 L/min
5 gpm18.927059 L/min
6 gpm22.712471 L/min
7 gpm26.497882 L/min
8 gpm30.283294 L/min
9 gpm34.068706 L/min
10 gpm37.854118 L/min
Gallons per minute to liters per minute: 12–1,000 gpm
Gallons per minute (gpm)Liters per minute (L/min)
12 gpm45.424941 L/min
15 gpm56.781177 L/min
20 gpm75.708236 L/min
25 gpm94.635295 L/min
30 gpm113.56235 L/min
40 gpm151.41647 L/min
50 gpm189.27059 L/min
75 gpm283.90588 L/min
100 gpm378.54118 L/min
250 gpm946.35295 L/min
500 gpm1,892.7059 L/min
1,000 gpm3,785.4118 L/min

About the units

US gallon per minute (gpm)

The standard US unit for pumps, wells and fixtures; about 3.785 L/min. One US gallon per minute equals 0.0000630901964 cubic meters per second (m³/s).

Liter per minute (L/min)

Used for taps, showers and small pumps; a typical shower runs at 8–12 L/min. One liter per minute equals 0.00001666666667 cubic meters per second (m³/s).

Frequently asked questions

How many liters per minute are in one US gallon per minute?

There are 3.785411784 liters per minute in one US gallon per minute, and this value is exact by definition.

How do I convert gallons per minute to liters per minute?

Multiply the number of gallons per minute by 3.785411784. For example, 10 gpm × 3.785411784 = 37.85411784 L/min.

How many gallons per minute are in one liter per minute?

One liter per minute equals 0.2641720524 gallons per minute. That is the reverse factor, 1 ÷ 3.785411784.

What is 10 gallons per minute in liters per minute?

10 gpm = 37.85411784 L/min.

Is this gpm to L/min converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

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