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Calculate volume in cubic feet for shipping, storage, construction materials, and more.
Enter price in US Dollars, select currency below for conversion
Volume = Length × Width × Height
Volume = π × Radius² × Height
Volume = (4/3) × π × Radius³
Volume = (1/3) × π × Radius² × Height
For a rectangular shape, multiply length × width × height. Make sure all measurements are in feet, or convert to feet first.
There are 27 cubic feet in 1 cubic yard (3 × 3 × 3 = 27). This is important for ordering bulk materials like concrete, gravel, or mulch.
First calculate cubic inches (L × W × H in inches), then divide by 1,728 to get cubic feet (since 12 × 12 × 12 = 1,728).
One cubic foot holds approximately 7.48 US gallons. Multiply cubic feet by 7.48 to get the gallon capacity.
A standard 20-foot container is about 1,170 cubic feet. A 40-foot container is about 2,390 cubic feet. These are internal measurements.
Measure the interior length, width, and height in inches. Multiply them together and divide by 1,728 to get cubic feet.