Cubic feet per minute to Liters per second formula
liters per second = cubic feet per minute × 0.471947
Multiply the number of cubic feet per minute by 0.471947 to get liters per second. To go the other way, multiply by 2.11888 instead, or use the lps to cfm converter.
Cubic feet per minute to Liters per second conversion table
Common cfm to lps values, rounded for reading. The converter above keeps full precision.
| Cubic feet per minute | Liters per second |
|---|---|
| 1 ft³/min | 0.471947 L/s |
| 2 ft³/min | 0.943895 L/s |
| 5 ft³/min | 2.35974 L/s |
| 10 ft³/min | 4.71947 L/s |
| 15 ft³/min | 7.07921 L/s |
| 20 ft³/min | 9.43895 L/s |
| 25 ft³/min | 11.7987 L/s |
| 50 ft³/min | 23.5974 L/s |
| 60 ft³/min | 28.3168 L/s |
| 100 ft³/min | 47.1947 L/s |
| 250 ft³/min | 117.987 L/s |
| 500 ft³/min | 235.974 L/s |
| 1,000 ft³/min | 471.947 L/s |
| 2,500 ft³/min | 1,179.87 L/s |
| 5,000 ft³/min | 2,359.74 L/s |
Worked example
To convert 20 ft³/min to liters per second, multiply by 0.471947: the result is 9.43895 L/s. US and Imperial gallons are different sizes. This tool converts volumetric flow only; mass flow also depends on fluid density.
Frequently asked questions
How many liters per second are in a cubic foot per minute?
One cubic foot per minute equals 0.471947 liters per second (1 ft³/min = 0.471947 L/s).
What is 20 cubic feet per minute in liters per second?
20 ft³/min converts to 9.43895 L/s. Enter any other value in the converter above to see it recalculated instantly.
How do I convert liters per second back to cubic feet per minute?
Reverse the calculation: one liter per second equals 2.11888 cubic feet per minute. You can also swap the units in the converter or open the lps to cfm page.
Related flow rate conversions
Need a different pair? Open the full flow rate converter to choose any two units.