TANK VOLUME
U.S GALLONS IN ROUND TANKS
For One Foot in Depth
Diameter  ofTank No. U.S.Gals. Cu. Ft. and Area inSq. Ft.
Ft. In.
1 0 5.87 .785
1 1 6.89 .922
1 2 8.00 1.069
1 3 9.18 1.227
1 4 10.44 1.396
1 5 11.79 1.576
1 6 13.22 1.767
1 7 14.73 1.969
1 8 16.32 2.182
1 9 17.99 2.405
1 10 19.75 2.640
1 11 21.58 2.885
2 0 23.50 3.142
2 1 25.50 3.409
2 2 27.58 3.687
2 3 29.74 3.976
2 4 31.99 4.276
2 5 34.31 4.587
2 6 36.72 4.909
2 7 39.21 5.241
2 8 41.78 5.585
2 9 44.43 5.940
2 10 47.16 6.305
2 11 49.98 6.681
3 0 52.88 7.069
3 1 55.86 7.467
3 2 58.92 7.876
3 3 62.06 8.296
3 4 65.28 8.727
3 5 68.58 9.168
3 6 71.97 9.621
3 7 75.44 10.085
3 8 78.99 10.559
3 9 82.62 11.045
3 10 86.33 11.541
3 11 90.13 12.048
4 0 94.00 12.566
4 1 97.96 13.095
4 2 102.00 13.635
4 3 106.12 14.186
4 4 110.32 14.748
4 5 114.61 15.321
4 6 118.97 15.90
4 7 123.42 16.50
4 8 127.95 17.10
4 9 132.56 17.72
4 10 137.25 18.35
4 11 142.02 18.99
5 0 146.88 19.63
5 1 151.82 20.29
5 2 156.83 20.97
5 3 161.93 21.65
5 4 167.12 22.34
5 5 177.38 23.04
5 6 177.72 23.76
5 7 183.15 24.48
5 8 188.66 25.22
5 9 194.25 25.97
5 10 199.92 26.73
5 11 205.67 27.49
6 0 211.51 28.27
6 3 229.50 30.68
6 6 248.23 33.18
6 9 267.69 35.78
7 0 287.88 38.48
7 3 308.81 41.28
7 6 330.48 44.18
7 9 352.88 47.17
8 0 376.01 50.27
8 3 399.88 53.46
8 6 424.48 56.75
8 9 449.82 60.13
9 0 475.89 63.62
9 3 502.70 67.20
9 6 530.24 70.88
9 9 558.51 74.66
10 0 587.52 78.54
10 3 617.26 82.52
10 6 647.74 86.59
10 9 678.95 90.76
11 0 710.90 95.03
11 3 743.58 99.40
11 6 776.99 103.87
11 9 811.14 108.43
12 0 846.03 113.10
12 3 881.65 117.86
12 6 918.00 122.72
12 9 955.09 127.68
13 0 201.06 132.73
13 3 1031.50 137.89
13 6 1070.80 143.14
13 9 1110.80 148.49
14 0 1151.50 153.94
14 3 1193.00 159.48
14 6 1235.30 165.13
14 9 1278.20 170.87
15 0 1321.90 176.71
15 3 1366.40 182.65
15 6 1411.50 188.69
15 9 1457.40 194.83
16 0 1504.10 201.06
16 3 1551.40 207.39
16 6 1599.50 213.82
16 9 1648.40 220.35
17 0 1697.90 226.98
17 3 1748.20 233.71
17 6 1799.30 240.53
17 9 1851.10 247.45
18 0 1903.60 254.47
18 3 1956.80 261.59
18 6 2010.80 268.80
18 9 2065.50 276.12
19 0 2120.90 283.53
19 3 2177.10 291.04
19 6 2234.00 298.65
19 9 2291.70 306.35
20 0 2350.10 314.16
20 3 2409.20 322.06
20 6 2469.10 330.06
20 9 2529.60 338.16
21 0 2591.00 346.36
21 3 2653.00 354.66
21 6 2715.80 363.05
21 9 2779.30 371.54
22 0 2843.60 380.13
22 3 2908.60 388.82
22 6 2974.30 397.61
22 9 3040.80 406.49
23 0 3108.00 415.48
23 3 3175.90 424.56
23 6 3244.60 433.74
23 9 3314.00 443.01
24 0 3384.10 452.39
24 3 3455.00 461.86
24 6 3526.60 471.44
24 9 3598.90 481.11
25 0 3672.00 490.87
25 3 3745.80 500.74
25 6 3820.30 510.71
25 9 3895.60 520.77
26 0 3971.60 530.93
26 3 4048.40 541.19
26 6 4125.90 551.55
26 9 4204.10 562.00
27 0 4283.00 572.56
27 3 4362.70 583.21
27 6 4443.10 593.96
27 9 4524.30 604.81
28 0 4606.20 615.75
28 3 4688.80 626.80
28 6 4772.10 637.94
28 9 4856.20 649.18
29 0 4941.00 660.52
29 3 5026.60 671.96
29 6 5112.90 683.49
29 9 5199.90 695.13
30 0 5287.70 706.86
30 3 5376.20 718.69
30 6 5465.40 730.62
30 9 5555.40 742.64
31 0 5646.10 754.77
31 3 5737.50 766.99
31 6 5829.70 779.31
31 9 5922.60 791.73
32 0 6016.20 804.25
32 3 6110.60 816.86
32 6 6205.70 829.58
32 9 6301.50 842.39
31-1/2 Gallons equal 1 Barrel
To find the capacity of tanks greater than the largest given in the table, look in the table for a Tank of one-half of the given size and multiply its capacity by 4, or one of one-third its size and multiply its capacity by 9, etc.