Cubic Feet Calculator
ft
ft
in
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.
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Tip: When ordering materials like soil, gravel, or concrete, convert to cubic yards (the common ordering unit in the US): cubic feet ÷ 27 = cubic yards.
- 1Volume (cu ft) = Length (ft) × Width (ft) × Height (ft)
- 21 cubic yard = 27 cubic feet
- 31 cubic meter = 35.315 cubic feet
- 4For concrete: ordered in cubic yards (1 yd³ = 27 ft³)
| From | Multiply by | To get |
|---|---|---|
| Cubic feet | 1,728 | Cubic inches |
| Cubic feet | 0.03704 | Cubic yards |
| Cubic feet | 0.02832 | Cubic meters |
| Cubic feet | 7.481 | US gallons |
| Cubic feet | 28.317 | Liters |
| Cubic meters | 35.315 | Cubic feet |
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Fun Fact
A standard 40-foot shipping container holds 2,390 cubic feet (67.7 m³) of cargo — enough to fill a 3-bedroom house. The global shipping industry moves 800+ million containers per year.
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