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US gallons per minute to Litres per minute

1 US gallon per minute = 3.7854 litres per minute · 1 L/min = 0.26417 gpm (US)

1 US gallon per minute = 3.7854 litres per minute

How it’s calculated

L/min = gpm (US) × 3.785411784

  • Multiply the value in US gallons per minute by 3.785411784.
  • To go back, divide by 3.785411784 (or multiply by 0.2641720524).
  • 1 gpm (US) = 3.785411784 L/min · 1 L/min = 0.2641720524 gpm (US)
Show worked solutionFactor, unit cancellation and rounding, step by step

  1. Find the conversion factor

    By definition 1 gpm (US) = 0.0000630901964 m³/s and 1 L/min = 0.0000166666666666667 m³/s, so 1 gpm (US) = 3.785411784 L/min. Source: NIST SP 811 / Handbook 44; BIPM SI Brochure (9th ed.) (SI prefixes and accepted units).

  2. Multiply by the factor written as a fraction

    Put gpm (US) in the denominator so it cancels, leaving L/min.

  3. Calculate (unrounded)

  4. Round the answer

    Rounded to 5 significant figures.

Answer: 3.7854 L/min

1 gpm (US) in other units

Batch convert gpm (US) → L/min
Results
  1. 1 gpm (US) = 3.7854 L/min
  2. 5 gpm (US) = 18.927 L/min
  3. 10 gpm (US) = 37.854 L/min
  4. 25 gpm (US) = 94.635 L/min

Permanent link to this conversion

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Quick examples

  • 1 US gallon per minute = 3.7854 litres per minute
  • 5 US gallons per minute = 18.927 litres per minute
  • 10 US gallons per minute = 37.854 litres per minute
  • 25 US gallons per minute = 94.635 litres per minute
  • 100 US gallons per minute = 378.54 litres per minute

About these units

US gallon per minute (gpm (US))

US customary

1 gpm (US) = 0.0000630901964 m³/s

Source: NIST SP 811 / Handbook 44

Litre per minute (L/min)

metric (non-SI)

1 L/min = 0.00001666666667 m³/s

Source: BIPM SI Brochure (9th ed.) (SI prefixes and accepted units)

US gallons per minute to litres per minute conversion table

US gallon per minute (gpm (US)) to litre per minute (L/min)
US gallons per minute (gpm (US))Litres per minute (L/min)
0.1 gpm (US)0.37854 L/min
0.5 gpm (US)1.8927 L/min
1 gpm (US)3.7854 L/min
2 gpm (US)7.5708 L/min
3 gpm (US)11.356 L/min
4 gpm (US)15.142 L/min
5 gpm (US)18.927 L/min
6 gpm (US)22.712 L/min
7 gpm (US)26.498 L/min
8 gpm (US)30.283 L/min
9 gpm (US)34.069 L/min
10 gpm (US)37.854 L/min
15 gpm (US)56.781 L/min
20 gpm (US)75.708 L/min
25 gpm (US)94.635 L/min
30 gpm (US)113.56 L/min
40 gpm (US)151.42 L/min
50 gpm (US)189.27 L/min
75 gpm (US)283.91 L/min
100 gpm (US)378.54 L/min
250 gpm (US)946.35 L/min
500 gpm (US)1,892.7 L/min
1,000 gpm (US)3,785.4 L/min

Related conversions

Frequently asked questions

How do I convert US gallons per minute to litres per minute?

Use L/min = gpm (US) × 3.785411784. Multiply the value in US gallons per minute by 3.785411784.

How many litres per minute are in 1 US gallon per minute?

1 US gallon per minute (gpm (US)) equals 3.7854 litres per minute (L/min); more precisely 3.785411784.

How many US gallons per minute are in 1 litre per minute?

1 litre per minute (L/min) equals 0.26417 US gallons per minute (gpm (US)); more precisely 0.2641720524.

What is 10 gpm (US) in L/min?

10 US gallons per minute = 37.854 litres per minute.

Is the US gallon per minute a US or a UK unit?

This converter uses the US customary US gallon per minute. US and UK units with the same name can differ, so check which one your source uses.

Formula: L/min = gpm (US) × 3.785411784. Factors last reviewed 2026-10-27.