Calculate cubic yards from length, width, and depth dimensions with unit options and conversions to cubic feet, cubic metres, and tons.
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Volume Measurement
A cubic yards calculator converts length, width, and depth measurements into cubic yards, the standard ordering unit for bulk materials such as concrete, gravel, mulch, and topsoil in construction and landscaping projects.
To calculate cubic yards, first find the volume in cubic feet by multiplying length, width, and depth in feet. Then divide by 27, because one cubic yard equals 27 cubic feet.
If your depth is measured in inches, divide by 12 first to convert to feet before multiplying by the other dimensions.
Cubic yards = (Length x Width x Depth in feet) / 27
Calculate volume in cubic feet first, then divide by 27 to convert to cubic yards.
Most bulk construction materials are sold by the cubic yard. Knowing the cubic yardage of your project area lets you order the right amount of concrete, gravel, mulch, or soil without significant waste or shortfall.
It is common to add 5 to 10 percent extra to account for compaction, spillage, and uneven ground.
Frequently asked questions
One cubic yard equals 27 cubic feet (3 feet x 3 feet x 3 feet).
Divide the depth in inches by 12 to get feet, multiply by the length and width in feet, then divide the total cubic feet by 27.
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