Formulas & other useful tidbits
Volume formulas for calculating enclosures
Height x Width x Depth = cubic inches
divide by 1728 to get total cubic feet
Square or rectangle box
Wedge shaped boxes
Depth 1 + Depth 2 divide by 2 x Height x Width = cubic inches divide by 1728 to get cubic feet
Cylinder or Tube shaped boxes
3.14 x Radius x Radius x depth = cubic inches divide by 1728 to get cubic feet
Triangle shaped boxes
.5 x height x width x depth = cubic inches
divide by 1728 to get cubic feet
To calculate the length of a port with a given diameter (D) , Box volume (Vb) , and Tuning frequency (Fb) use the following formula & a good calculator
Calculating a port length
Other enclosure related Info charts,facts etc.