80 inches
25x19x30
If you know the height, you can calculate that. Linear inch is a fantasy word from the airliners. It means: X linear inches = length + width + depth (measured in inches).
Linear inches is a term used by the airline industry in order to measure baggage allowances. The linear inch measurement is determined by adding the length, width, and height of the item in inches. For instance a 20" square box that is 5" tall would be 20 + 20 + 5 arriving at a total of 45 linear inches.
It is the sum of the length, width and height of the box: each of them measured in inches. It is not possible to geive a precise answer to the question because you not specified the measurement units.
A foot is measured in a strait line, its a linear measurement of 12 inches.. A square foot is 12^2, or 144 square inches, it a box with 4, 12" sides.
It depends on the context, but for airlines luggage, it would count as 18+28+30 = 76 inches
According to the Haynes manual: Short wheelbase truck (reg cab with short box, also blazer and Jimmy); 108.3 inches long wheelbase truck (reg cab with long box) 117.9 inches Truck with club cab; 122.9 inches
Add up the three dimensions of your box, suitcase, etc. Height plus width plus depth should total 40. Examples include: 15 inches wide, 15 inches deep, 10 inches high = 40 linear inches Also 25 inches wide, 10 inches deep, 5 inches high = 40 linear inches
384 square inches
8.9
The squared area of the box, from the question itself, is 61 square inches. Scaling up the linear dimensions by a factor of 10 will make the area 6100 square inches.
its usually best to measure a cereal box in feet like so. but if you want more pracise measurement, use both feet and inches, like this. 5 feet 3 inches.