Unit Pack Requirement Chart

Volume Area Units Required
Cu Inches Cu Feet Gallons Sq Inches Sq Feet
237 0.14 1.1 15 0.1 1/6
476 0.28 2.1 30 0.2 1/3
715 0.42 3.2 45 0.3 1/2
1,429 0.83 6.2 90 0.6 1
2,857 1.67 12.5 180 1.3 2
4,286 2.5 18.7 270 1.9 3
5,714 3.33 25 360 2.5 4
7,143 4.17 31.2 450 3.1 5
8,571 5 37.4 540 3.8 6
10,000 5.83 43.6 630 4.4 7
11,423 6.67 50 720 5 8
12,857 7.5 56.1 810 5.6 9
14,286 8.33 62.3 900 6.3 10
17,143 10 74.8 1,080 7.5 12
20,000 11.67 87.3 1,260 8.8 14
22,857 13.33 99.7 1,440 10 16
28,571 16.67 125 1,800 12.5 20
42,857 25 187 2,700 18.8 30
57,143 33.33 249 3,600 25 40
71,429 41.67 4,500 31.3 50
85,714 50 5,400 37.5 60
100,000 58.3 6,300 43.8 70
114,286 66.67 7,200 50 80