Enter the area to cover in square feet and the desired depth in inches into the calculator to determine the coverage in cubic yards of decomposed granite (DG) needed.

DG Coverage Formula

The following formula is used to calculate the DG coverage.

C = (A * (D / 12)) / 27

Variables:

  • C is the coverage in cubic yards
  • A is the area in square feet
  • D is the depth in inches

To calculate the DG coverage, multiply the area by the depth (converted to feet by dividing by 12), then divide by 27 to convert the result to cubic yards.

What is DG Coverage?

DG coverage refers to the amount of decomposed granite needed to cover a specific area to a certain depth. Decomposed granite is a popular material for landscaping, pathways, and driveways due to its natural look, durability, and permeability. Calculating the correct amount of DG is crucial to ensure complete coverage without wasting material.

How to Calculate DG Coverage?

The following steps outline how to calculate the DG Coverage.


  1. First, determine the area (A) in square feet that needs to be covered.
  2. Next, determine the desired depth (D) in inches.
  3. Next, gather the formula from above = C = (A * (D / 12)) / 27.
  4. Finally, calculate the DG Coverage (C) in cubic yards.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

Area (A) = 500 square feet

Depth (D) = 3 inches