Incredible How Much Soil In Raised Garden Bed 2023. Web d = the depth of your garden bed, in fee. To calculate the volume of soil needed to fill a regular hexagonal prism, use the following formula.

Web much like raised beds, you’ll need to measure the length, width, and depth of your garden bed in metres. Now, let’s replace the variables with numbers. [1] if you're using some soil from your garden or your beds already have soil in them, add 4 to 6 inches (10 to 15 cm) of compost.