Online sub woofer box volume calculator helps to determine the sub voofer volume size for sub woofer box design.
Formula:
Volume of Box = (2.35625 × 104 × D2 × N) / (F2 × (L + K × D) )
Where,D = Diameter of Vent
F = Tuning Frequency
V = Volume of Box
K = End Correction Factor
N = Number of Ports
L = Length of Vent or Port