Area to volume with depth

Square Feet to Cubic Yards Calculator

Convert square feet to cubic yards by adding material depth. Use it for mulch, gravel, soil and other volume estimates.

Area

sq ft

Depth

Area cannot be converted to volume without a depth.

How this calculator works

Square feet measure area and cubic yards measure volume, so there is no direct conversion without depth. Enter the material depth in inches and the calculator supplies the third dimension.

FormulaCubic yards = square feet \u00d7 depth in feet \u00f7 27

Worked example

100 sq ft at 3 inches deep = about 0.93 cubic yards.

Useful answers

Square Feet to Cubic Yards Calculator FAQs

Can square feet be converted directly to cubic yards?

No. You need a depth because square feet are area and cubic yards are volume.

How many cubic yards cover 100 sq ft at 3 inches deep?

About 0.93 cubic yards.

How many square feet does one cubic yard cover at 3 inches deep?

About 108 square feet.

Why is depth entered in inches?

Many landscaping and construction layer depths are specified in inches, so the calculator converts inches to feet internally.

Keep calculating

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