Square Feet to Cubic Yards Calculator
Already know your square footage? Enter it with a depth to convert straight to cubic yards — no need to re-measure length and width.
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How the square feet to cubic yards calculator works
Cubic yards = (Area in ft² × Depth in feet) ÷ 27
Multiply your area by the depth (in feet) to get cubic feet, then divide by 27 for cubic yards. This is the quick way to size up concrete, gravel, or fill when you already know the square footage of the space.
Frequently asked questions
How many square feet are in a cubic yard?
It depends on depth. At 4 inches deep, one cubic yard covers about 81 square feet; at 2 inches, about 162.
How do I go from square feet to cubic yards?
Multiply the area by the depth in feet, then divide by 27. For a 4-inch depth, multiply square feet by 0.333, then divide by 27.