| Nominal Diameter |
Area | Volume | Capacity | |
| Inch | Sq. Inch |
Cu. Inch |
Cu. Feet |
Gal/Ft |
| 2 | 3.1 | 38 | 0.02 | 0.2 |
| 3 | 7.1 | 85 | 0.05 | 0.4 |
| 4 | 12.6 | 151 | 0.09 | 0.7 |
| 6 | 28.3 | 339 | 0.20 | 1.5 |
| 6 | 50.3 | 603 | 0.35 | 2.6 |
| 10 | 78.5 | 942 | 0.55 | 4.1 |
| 12 | 113.1 | 1357 | 0.79 | 5.9 |
| 14 | 153.9 | 1847 | 1.07 | 8.0 |
| 16 | 201.1 | 2413 | 1.40 | 10.4 |
| 18 | 254.5 | 3054 | 1.77 | 13.2 |
| 20 | 314.2 | 3770 | 2.18 | 16.3 |
| 24 | 452.4 | 5429 | 3.14 | 23.5 |
| 30 | 706.9 | 8482 | 4.91 | 36.7 |
| 36 | 1017.9 | 12215 | 7.07 | 52.9 |
| 48 | 1809.6 | 21715 | 12.57 | 94.0 |