Box Calculator weight=15 = 15 pounds total weight=$R1+R41 = 20.03 pounds gear & packaging total cost materials=R27 = 6.63 shipping=25 = 25 total shipping plus materials=R4+R3 = 31.63 Device Width= 15.5 = 15.5 Device Length= 16.5 = 16.5 Device Height= 7.5 = 7.5 Room for Cable width=2 = 2 Cardboard Thickness=.214 = 0.214 Foam Thickness=1 = 1 Box inside Length=R7+2*R11 = 18.5 Can add to length if under 24 Box inside Width with cable=R1+2*R11+R9 = 19 Box inside Height=R8+2*R11 = 9.5 Box Outside Length =R7+2**R11+(2*R10) = 18.928 inches Box Outside Height= R8+2*R11+(2*R10) = 9.928 inches Box Outside Width=R6+2*R11+(2*R10) = 17.928 inches Bottom Top Foam width=R14-(2*R11) = 17 Bottom Top Foam Length=R12-(2*R11) = 16.5 Cost for Foam =14 / (48 * 96) = 0.00303819444 Per square inch Cost of Bottom Top=R19*R20*2*R21 = 1.70442708084 Cost of Side Pieces= R14*R15*2*R21 = 1.09678819284 Cost of End Pieces=R15*R18*2*R21 = 1.03490624849 Total cost foam=$R22+R23+R24 = 3.84 Box Cost=$2.79 = 2.79 Total cost materials=$R26+R25 = 6.63 Volume Ends packing material=R15*(R14)*2 = 361 cubic inches Volume Bottom plus Top= (R12-2)*(R14-2)*2 = 561 cubic inches Total volume packing material=(R28+R29+R30)/(12*12*12) = 0.53356481481 Styrofoam weight per cubic foot=3.12139803 = 3.12139803 weight of foam=R31*R32 = 1.66546816183 pounds Volume of cardboard volume cardboard top bottom=(R16*R18*R10)*4 = 290.476053504 cubic inches volume ends=R18*R17*R10*2 = 76.179370752 cubic inches volume sides=R17*R16*R10*2 = 80.428554752 cubic inches total volume cardboard=R35+R36+R37 = 447.083979008 weight of cardboard=13 = 13 pounds per cubic foot Weight of cardboard= R38/(12*12*12)*R39 = 3.36347900874 pounds total weight=R40+R33 = 5.02894717057 pounds total box plus packing --- https://instacalc.com/53716