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What is a Cubic Foot?

Volume Unit

Definition

A cubic foot is a unit of volume equal to the volume of a cube with 1-foot sides, approximately 28.32 liters or 7.48 US gallons.

History

The cubic foot has been used in English-speaking countries for centuries. It remains common in the US for measuring volume in construction and shipping.

Common Uses

  • Refrigerator and freezer capacity
  • Natural gas billing in the US
  • Shipping container sizes
  • HVAC airflow measurements (CFM)

Fun Facts

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A typical refrigerator is 18-25 cubic feet

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One cubic foot equals about 7.48 gallons

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Moving boxes are often measured in cubic feet

All Cubic Foot Conversions