Measuring & volume calculators

5 free tools for square footage, cubic yards, cubic feet, interior volume, and circle geometry.

Square Footage CalculatorMost popular

Find the square footage of a room or lot — rectangle, circle, or triangle.

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Cubic Yard Calculator

Convert any length, width, and depth into cubic yards of material.

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Volume Calculator

Interior volume of a box or cylinder, in cu ft, cu yd, and gallons.

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Cubic Feet Calculator

Cubic feet from your dimensions, plus a quick cu ft ⇄ sq ft mode.

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Circle Calculator

Solve for a circle's diameter, radius, circumference, or area.

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