34560 cubic units. The units are not specified in the question so it is not possible to be more specific.
24" x 28" x 4" = 2,688 cubic inches, or 15/9 cubic feet. If you want to use a common liquid unit to express the same volume . . . 231 cubic inches = 1 gallon 2,688 cubic inches = 11.636 gallons
You have to tell us the units
24 cubic feet
24 inches x 12 inches x 9 inches = 1.5 cubic feet = 11.2 US gallons, approx.
If the whole container is rectangular, then its volume is 18" x 24" x 30" = 12,960 cubic inches = 7.5 cubic feet = 56.104 gallons
7488 cubic units
24" x 28" x 4" = 2,688 cubic inches, or 15/9 cubic feet. If you want to use a common liquid unit to express the same volume . . . 231 cubic inches = 1 gallon 2,688 cubic inches = 11.636 gallons
24" x 24" x 36" = 89.8 US gallons.
You have to tell us the units
24 oz is 3/16 of a gallon. You would need 3/8 oz of product for the 24 oz mixture. Unless you have a very precise way of measuring a part of an ounce, you might be better off making the mixture in a gallon container and transferring the mixture to your 24 oz container as needed.
You are asking for volume which is found by simply multiplying the three numbers together: 30*86*24=61920 cubic inches or, converted to cubic feet: 35.8333 cubic feet
4.25qts
Up to 24
24 cubic feet
The space inside that container is 24" x 24" x 24" = 13,824 cubic inches. That's 59.844 gallons of space, whether or not there's anything in it. A gallon is not an amount of water or gasoline or anything else. It's an amount of space, just like a cubic inch or a cubic foot is.
24 inches x 12 inches x 9 inches = 1.5 cubic feet = 11.2 US gallons, approx.
24 ounces.