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Cubic feet is a unit of volume equal to a cube with sides of 1 foot. 1 cubic foot = 1,728 cubic inches = 28.317 liters = 7.481 US gallons. Commonly used for shipping, refrigerator capacity, concrete orders, and room volume.

Hướng dẫn từng bước

1. 1Volume (cu ft) = Length (ft) × Width (ft) × Height (ft)
2. 21 cubic yard = 27 cubic feet
3. 31 cubic meter = 35.315 cubic feet
4. 4For concrete: ordered in cubic yards (1 yd³ = 27 ft³)

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