You multiply length X width X height in inches divided by 231. 231 is your magic number that makes the formula work, because their is 231 cubic inches in a gallon. To find the gallons of a box that is 2ft x 4ft x 3ft You would convert your numbers to inches then multiply. 24in x 48in x 36in =41,472 divided by 231 = 179.5 gallons,
26 gallons for Short Box 34 gallons for Long Box
26 gallons for short box for long box 32 gallons
25 gallons short box / 30 gallons long box
28 gallons on short box and 38 gallons on a long box
The 2006 F-150 owners manual shows the fuel capacity for a Super Crew as : 5.5 foot box - ( 30 gallons ) 6.5 foot box - ( 27 gallons ) 6.5 foot box - ( 35.7 gallons ) OPTIONAL
Short box, 26 gallons Long box, 35 gallons
6.5 foot box ( 26 U.S. gallons ) 8 foot box ( 27 gallons or optional 35.7 gallons )
91.5 Imperial gallons, approx.
A box with these dimensions can hold up to 16,921 US gallons of water.
On the ( 2012 ) Ford F-150 with a regular cab and 8' box : 26 gallons ( or the optional 36 gallons )
Evaporation.
If these dimensions are inches then the box will hold up to 124.7 US gallons of water.