9-1.2 = 7.8
7.8 cubic feet
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The difference between 9 cubic feet and 1.2 cubic feet is 7.8 cubic feet. This means that 9 cubic feet is 7.8 cubic feet more than 1.2 cubic feet.
1 foot = 12 inch 1 cubic foot = 12 x 12 x 12 cubic inch = 1728 cubic inch 231 cubic inch = 231/1728 cubic feet = 0.134 cubic feet
The number 1728 is used when converting cubic inches to cubic feet. Since there are 12 inches in a foot (12 x 12 x 12 = 1728), this conversion accounts for the volume in three dimensions when moving from cubic inches to cubic feet.
The volume is 12 x 12 x 10 = 1440 cubic feet
1 foot = 12 inch 2.674 cubic feet = 2.674 x 12 x 12 x12 = 4620.672 cubic inches
There is no sensible answer to this question. A square foot is a measure of area, with dimensions [L2]. A cubic foot is a measure of volume, with dimensions [L3]. Basic dimensional analysis teaches that you cannot convert between measures with different dimensions without additional information.