Liters per second to cubic feet per second
Type a value in liters per second to see it in cubic feet 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
- Type the value in the liters per second box.
- Read the result in cubic feet per second as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
ft³/s = L/s × 0.03531466672
Multiply the value in liters per second by 0.03531466672 to get cubic feet per second.
Example
To convert 25 L/s to cubic feet per second: 25 × 0.03531466672 = 0.882867 ft³/s.
Conversion table
| Liters per second (L/s) | Cubic feet per second (ft³/s) |
|---|---|
| 1 | 0.0353147 |
| 2 | 0.0706293 |
| 3 | 0.105944 |
| 5 | 0.176573 |
| 10 | 0.353147 |
| 20 | 0.706293 |
| 25 | 0.882867 |
| 50 | 1.76573 |
| 100 | 3.53147 |
| 250 | 8.82867 |
| 500 | 17.6573 |
| 1,000 | 35.3147 |
About the units
- Liter per second
- One liter passing each second, 0.001 m³/s, used in ventilation design and drainage networks.
- Cubic foot per second
- One cubic foot passing each second, used in the US to measure river and canal discharge.
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 cubic feet per second are in one liter per second?
1 L/s = 0.0353147 ft³/s exactly.
How do I convert liters per second to cubic feet per second?
Use ft³/s = L/s × 0.03531466672. For example, 25 L/s = 0.882867 ft³/s.
How many liters per second are in one cubic foot per second?
1 ft³/s = 28.3168 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.