US gallons per minute to liters per second

Type a value in US gallons per minute to see it in liters per second straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the US gallons per minute box.
  2. Read the result in liters per second as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

L/s = gpm (US) × 0.0630901964

Multiply the value in US gallons per minute by 0.0630901964 to get liters per second.

Example

To convert 25 gpm (US) to liters per second: 25 × 0.0630901964 = 1.57725 L/s.

Conversion table

US gallons per minute (gpm (US))Liters per second (L/s)
10.0630902
20.12618
30.189271
50.315451
100.630902
201.2618
251.57725
503.15451
1006.30902
25015.7725
50031.5451
1,00063.0902

About the units

US gallon per minute
One US gallon (3.785411784 L) passing each minute, a common unit on US pump specifications.
Liter per second
One liter passing each second, 0.001 m³/s, used in ventilation design and drainage networks.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

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

1 gpm (US) = 0.0630902 L/s exactly.

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

Use L/s = gpm (US) × 0.0630901964. For example, 25 gpm (US) = 1.57725 L/s.

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

1 L/s = 15.8503 gpm (US).

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

One US gallon per minute is exactly 3.785411784 L/min, so divide the liters figure by 3.785411784. For example, 20 L/min is about 5.28 US gpm.

What does CFM mean on AC units and fans?

CFM stands for cubic feet per minute and describes how much air a unit moves. One CFM equals 1.69901079552 cubic meters per hour or 0.4719474432 liters per second.