Establish the amount of units of LPM you wish to convert to cubic feet per minute, and write that number down or enter it into your calculator.
Multiply this amount by 0.000588577778644, because 1 liter per minute equals 0.000588577778644 cubic feet.
For example, 30 LPM = 0.01765733335932 cubic feet, because 30 X 0.000588577778644 = 0.01765733335932.
Check your work by dividing your answer by 0.000588577778644. If you arrive at your original number of LPM, then you have done your calculations properly.