Recall that the formula to get the volume of a box is V l w h. Subwoofer box calculator online. This calculator will tell you.
Width length and height.
The objective function is the formula for the volume of a rectangular box. We can provide you with comprehensive Subwoofer Box Calculator for online creating a high performance subwoofer enclosure. The formula is then volumebox. V textlength times textwidth times textheight X times X times Y 2ex V.