The Best Equation For Figuring Out Dirt For A Raised Garden Bed References. To calculate the amount of soil to be filled in your raised bed, you must multiply the length, width, and height of the raised bed. You will need for your raised bed with our handy calculator.

Web you would need roughly a total of 29 cubic feet of soil (or 1 cubic yard), which would require 39.11.75 cu. Pot or elevated planter calculates in quarts. One downside to raised beds is figuring out how much soil you need!





