Cubic Feet Calculator
Calculate cubic feet of a box or cylinder from measurements in inches, feet, yards, cm or metres, with cubic yards, litres, gallons and optional cost.
Enter your values and press Calculate.
How to use the Cubic Feet calculator
Handy for moving and storage, freezers, shipping, soil and mulch. A cubic foot is 1,728 cubic inches.
Formula
Box: length × width × height. Cylinder: π × (diameter ÷ 2)² × height. 1 m³ = 1,000 litres = 35.3147 ft³.
Frequently asked questions
How do I calculate cubic feet?
Multiply length × width × height in feet. If you measured in inches, the calculator converts for you: 12″ × 12″ × 12″ = 1 ft³.
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