Calculators

Cubic Feet Calculator

A cubic feet calculator finds the volume of a box-shaped space in cubic feet. Enter length, width, and height to get the volume, useful for shipping, soil, and storage estimates.

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What cubic feet measures

Cubic feet measure volume — the three-dimensional space inside a box, tank, or room. It is the standard unit for shipping freight, ordering concrete, and sizing appliances.

The calculation

Measure each dimension in feet and multiply the three together. If some dimensions are in inches, convert them to feet first so the units are consistent before you multiply.

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Frequently asked questions

1

How do I calculate cubic feet?

Multiply length × width × height, with all three in feet. The result is in cubic feet. Convert any inch measurements to feet first (divide by 12).

2

How many cubic feet are in a cubic yard?

There are 27 cubic feet in a cubic yard (3 × 3 × 3). Divide your cubic-foot result by 27 to convert.

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