SquareFtCalc
Area to volume with depth

Square Feet to Cubic Feet Calculator

Convert square feet to cubic feet using the depth of the material or space.

sq ft
in
Area cannot be converted to volume without a depth.

How this calculator works

To turn an area into a volume, multiply by depth. Because this calculator accepts depth in inches, it divides by 12 before multiplying by square feet.

FormulaCubic feet = square feet \u00d7 depth in feet

Worked example

100 sq ft at 6 inches deep = 50 cubic feet.

Useful answers

Square Feet to Cubic Feet Calculator FAQs

Can I convert square feet to cubic feet without depth?

No. A volume calculation needs length, width and depth.

How many cubic feet is 200 sq ft at 3 inches deep?

It is 50 cubic feet because 3 inches is 0.25 ft and 200 × 0.25 = 50.

How do I convert cubic feet to cubic yards?

Divide cubic feet by 27.

Is square footage the same as cubic footage?

No. Square footage measures two-dimensional area; cubic footage measures three-dimensional volume.

Keep calculating

Related calculators

Room Size CalculatorMeasure one room or total several rooms.Open calculator →Carpet CalculatorEstimate carpet area, waste and project cost.Open calculator →Flooring CalculatorEstimate flooring packs, waste and cost.Open calculator →Tile CalculatorWork out square footage and tile quantity.Open calculator →Paint CalculatorEstimate wall area and gallons of paint.Open calculator →Wall Square FootageCalculate wall area, doors and windows.Open calculator →