12 what?
12 inches cubed = 1,728 cubic inches
12 feet cubed = 2,985,984 cubic inches
12 yards cubed = 80,621,568 cubic inches
You are mixing a measurement of length with volume. You need another measurement to calculate cubic inches.
12 cubic feet = 20,736 cubic inches.
12" x 12" x 1" = 1/12 of one cubic foot
= 96 x 48 x 15 /(12 x 12 x 12) cubic feet
29 inches by 15 inches = 435 square inches = 435/144 square feet = 3.02 square feet. Multiplying the number of square feet by a 3rd dimension (thickness or depth, etc.) will give an answer in cubic feet. If the 29 inches by 15 inches object is 1 inch thick, it has a volume of approximately 0.252 cubic feet (3.02/12).
1 cubic foot = 1,728 cubic inchesVolume = 10 x 12 x 15 = 1,800 cubic inches = 1.04167 cubic feet (rounded)
The volume of a cylinder with a height of 15 inches by 12 inches in diameter is: 1,700 cubic inches.
912 cubic inches is about 15 (14.945) liters.
Volume: 30*15*12 = 5,400 cubic feet
Multiply 36*12*16 = 6,912 cubic inches 12*12*12 = 1729 cubic inches per cubic feet 6912 cubic inches/1729 cubic inches per cubic feet - 4 cubic feet 4 cubic feet * 7.48051948 gallons per cubic foot = 29.90 gallons 7.48051948 Gallons per cubic foot
Slightly larger than one cubic foot. It is the amount of corn that will fit into a box about 15 inches long, 12 inches wide and 12 inches deep. (2,150 cubic inches)
A chalkboard has a volume that would be 15 cubic inches.
1 inch = 1/12 foot(10 x 15 x 1/12) = 12.5 cubic feet
15 litres = 915.356161 cubic inches
12*15*.33333= 60 cubic feet. 60 cubic feet/27 cubic feet per cubic yard = 2.222 cubic yards