LxWxH/1728
Yes, airspace=cubic feet
Ooh Yeah!!
LxWxH/1728
Yes, airspace=cubic feet
Nothing Is Promised
HxWxD then take that divide by 1728
12x12x12 = 1728/1728 = 1cf
edit: **** it bigwheel you beat me lol
CarAudio.com Veteran
(l)(w)(h)=airspace if you use inches divide your answer by 1728 to get cubic feet
Originally Posted by chase007
after i explained to him there's more to a proper box than boards and glue and he should practice before trying to sell boxes to others
after i told him that customers would care about the looks of the box
Nothing Is Promised
All he said was if you are measuring in inches divide by 1728 to get cf.
Other measurements convert them to inches then you can divide to get 1728.
CarAudio.com Addict ®
Make sure you account for wood thickness, so use internal dimensions.
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Bruce LeeRoy
I was gonna ask where the 1728 came from, but it seems that 1728 cubic inches is equal to a cubic foot?
Turn my volume under ten, to keep my speakers from busin'.
Senior VIP Member
Yes 1728 in^3 = 1 ft^3 because..I was gonna ask where the 1728 came from, but it seems that 1728 cubic inches is equal to a cubic foot?
there are 12" in a foot obviously, and so 12" * 12" * 12" = 1' * 1' * 1' = 1'^3
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