Use some standard of cardboard wt. per square ft, as a box has six sides, you have (length x width + length x height + width x height) x 2 x lb/ sq ft or if in metric kg/ sq m. Get net weight by subtracting cardboard wt from box wt.
One standard cardboard box wt. in US is 0.13 kg/ sq m. This number will vary in US and, may be quite different in other countries.
Its weight varies depending on how much corrugated cardboard you have. If you have a small piece, it will not weigh very much. If you have a pallet of corrugated cardboard, it will weigh a whole lot.
The weight of cardboard depends on the thickness and amount of cardboard. Thicker cardboard tends to weigh a little more than thin cardboard.
about 92 ounces
it can't hold very much weight
20 times its weight in liquid
There is effectively no limit to the amount of weight that aluminum can hold, if you use enough aluminum.
A triangle is a shape. How much weight a triangularly shaped object could hold would depend on the nature of the object.
60000000000000 pounds
When made out of cardboard? About ten kilos.
it can't hold very much weight
There is no "average weight" for a cardboard container, since different size containers will have different weight. Is this a candy box for 2 ounces of candy, or a box for a refrigerator? They are both cardboard containers.
20 times its weight in liquid
112lbs
it can hold as much weight as it can handle
There is effectively no limit to the amount of weight that aluminum can hold, if you use enough aluminum.
A triangle is a shape. How much weight a triangularly shaped object could hold would depend on the nature of the object.
it can hold up to 2 gallons
Paper can hold exactly 4.5 kg
90lbs
About 50,000 lb.