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.