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A cubic measurement is the three-dimensional derivative of a linear measure, so a cubic foot is defined as the volume of a cube with sides 1 ft in length.
In metric terms a cubic foot is a cube with sides 0.3048 metres in length. One cubic foot is the equivalent to approximately 0.02831685 cubic metres, or 28.3169 litres.
A US capacity measure (for liquid) equal to 4 quarts or 3.785 liters. Note also there are different measures of US dry gallons and UK gallons.
| Cubic Feet | US Gallons (Liquid) |
|---|---|
| 0ft³ | 0.00US gal lqd |
| 1ft³ | 7.48US gal lqd |
| 2ft³ | 14.96US gal lqd |
| 3ft³ | 22.44US gal lqd |
| 4ft³ | 29.92US gal lqd |
| 5ft³ | 37.40US gal lqd |
| 6ft³ | 44.88US gal lqd |
| 7ft³ | 52.36US gal lqd |
| 8ft³ | 59.84US gal lqd |
| 9ft³ | 67.32US gal lqd |
| 10ft³ | 74.81US gal lqd |
| 11ft³ | 82.29US gal lqd |
| 12ft³ | 89.77US gal lqd |
| 13ft³ | 97.25US gal lqd |
| 14ft³ | 104.73US gal lqd |
| 15ft³ | 112.21US gal lqd |
| 16ft³ | 119.69US gal lqd |
| 17ft³ | 127.17US gal lqd |
| 18ft³ | 134.65US gal lqd |
| 19ft³ | 142.13US gal lqd |
| Cubic Feet | US Gallons (Liquid) |
|---|---|
| 20ft³ | 149.61US gal lqd |
| 21ft³ | 157.09US gal lqd |
| 22ft³ | 164.57US gal lqd |
| 23ft³ | 172.05US gal lqd |
| 24ft³ | 179.53US gal lqd |
| 25ft³ | 187.01US gal lqd |
| 26ft³ | 194.49US gal lqd |
| 27ft³ | 201.97US gal lqd |
| 28ft³ | 209.45US gal lqd |
| 29ft³ | 216.94US gal lqd |
| 30ft³ | 224.42US gal lqd |
| 31ft³ | 231.90US gal lqd |
| 32ft³ | 239.38US gal lqd |
| 33ft³ | 246.86US gal lqd |
| 34ft³ | 254.34US gal lqd |
| 35ft³ | 261.82US gal lqd |
| 36ft³ | 269.30US gal lqd |
| 37ft³ | 276.78US gal lqd |
| 38ft³ | 284.26US gal lqd |
| 39ft³ | 291.74US gal lqd |
| Cubic Feet | US Gallons (Liquid) |
|---|---|
| 40ft³ | 299.22US gal lqd |
| 41ft³ | 306.70US gal lqd |
| 42ft³ | 314.18US gal lqd |
| 43ft³ | 321.66US gal lqd |
| 44ft³ | 329.14US gal lqd |
| 45ft³ | 336.62US gal lqd |
| 46ft³ | 344.10US gal lqd |
| 47ft³ | 351.58US gal lqd |
| 48ft³ | 359.06US gal lqd |
| 49ft³ | 366.55US gal lqd |
| 50ft³ | 374.03US gal lqd |
| 51ft³ | 381.51US gal lqd |
| 52ft³ | 388.99US gal lqd |
| 53ft³ | 396.47US gal lqd |
| 54ft³ | 403.95US gal lqd |
| 55ft³ | 411.43US gal lqd |
| 56ft³ | 418.91US gal lqd |
| 57ft³ | 426.39US gal lqd |
| 58ft³ | 433.87US gal lqd |
| 59ft³ | 441.35US gal lqd |