Cubic Yards Calculator
To find cubic yards, multiply the area in square feet by the depth in feet, then divide by 27 (there are 27 cubic feet in a cubic yard). For example, 100 square feet at 3 inches deep is 25 cubic feet, or about 0.93 cubic yards.
Enter the depth in inches. Cubic yards = area in sq ft x depth in feet, divided by 27.
Enter your measurements above to see how much material you need.
The formula
Cubic feet = area (sq ft) times depth (ft). Convert inches to feet by dividing by 12. Then cubic yards = cubic feet divided by 27.
This is the math behind every loose-material estimate: mulch, topsoil, gravel, sand, compost, and concrete all start here.
Why cubic yards?
Bulk landscaping and construction materials are sold by the cubic yard because it is a convenient truckload-scale unit. One cubic yard fills a small pickup bed roughly level.
If you know the material, use its dedicated calculator to also get bags, tons, and cost.
Frequently asked questions
How many cubic feet in a cubic yard?
27. A cubic yard is 3 ft by 3 ft by 3 ft, which is 27 cubic feet.
How do I calculate cubic yards?
Multiply area in square feet by depth in feet, then divide by 27. For depth in inches, divide the inches by 12 first.
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