A cubic foot is a unit of measurement used when measuring the volumes of different objects. The most common method of finding a rectangular prism's volume is to multiply the length by the width by the height. Multiplying three units of feet together results in cubic feet.
There are many other formulas for finding the volumes of different shapes. Raising one side to the third power is the formula for finding the volume of a cube. Multiplying the radius squared by pi and the height of the cylinder is useful in finding a cylinder’s volume. Measurements of cubic feet are among the most common units of volume in the English system of measurement.