Cubic Feet question

[nchilds21 10+ year member]

how do i calcuate cubic feet? like how do i find out how many cubic feet my trunk is? or how many cubic feet a box will be?

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[schrummy 10+ year member]

length X width X height in inches then / 1728

 

[spencer321 10+ year member]

length X width X height in inches then / 1728

exactly right, make sure you use interal dimensions and not external, make sure you account for wood thickness is what im saying, if your using 3/4" mdf take your external dimentions and subtract 1.5" from each dimention, (if using double baffle take that into account too)