What is the Formula for Cubic Feet?

The formula to measure cubic feet is to multiply the length by the width. Then you take that sum and multiply it by the depth. A simple example is a sidewalk that is ten feet long, three feet wide and four inches deep. 10 times 3 equals 30 square feet. Multiply 30 times .333 and that equals 9.99 cubic feet. You can find more information here: http://www.onlineconversion.com/faq_01.htm
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