Liters per second to US gallons per minute
Type a value in liters per second to see it in US gallons per minute straight away, or type in the second box to convert back.
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How to use it
- Type the value in the liters per second box.
- Read the result in US gallons per minute as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
gpm (US) = L/s × 15.85032314
Multiply the value in liters per second by 15.85032314 to get US gallons per minute.
Example
To convert 25 L/s to US gallons per minute: 25 × 15.85032314 = 396.258 gpm (US).
Conversion table
| Liters per second (L/s) | US gallons per minute (gpm (US)) |
|---|---|
| 1 | 15.8503 |
| 2 | 31.7006 |
| 3 | 47.551 |
| 5 | 79.2516 |
| 10 | 158.503 |
| 20 | 317.006 |
| 25 | 396.258 |
| 50 | 792.516 |
| 100 | 1,585.03 |
| 250 | 3,962.58 |
| 500 | 7,925.16 |
| 1,000 | 15,850.3 |
About the units
- Liter per second
- One liter passing each second, 0.001 m³/s, used in ventilation design and drainage networks.
- US gallon per minute
- One US gallon (3.785411784 L) passing each minute, a common unit on US pump specifications.
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 US gallons per minute are in one liter per second?
1 L/s = 15.8503 gpm (US) exactly.
How do I convert liters per second to US gallons per minute?
Use gpm (US) = L/s × 15.85032314. For example, 25 L/s = 396.258 gpm (US).
How many liters per second are in one US gallon per minute?
1 gpm (US) = 0.0630902 L/s.
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.