Diam.

Circumf.

Area.

1/64

.049

.00019

1/32

.0981

.00076

1/16

.1963

.00306

1/8

.3927

.01227

3/16

.589

.02761

1/4

.7854

.04908

5/16

.9817

.07669

3/8

1.178

.1104

7/16

1.374

.1503

1/2

157

.1963

9/16

1.767

.2485

5/8

1.963

.3067

11/16

2.159

.3712

3/4

2.356

.4417

13/16

2.552

.5184

7/8

2.748

.6013

15/16

2.945

.6902

1

3.1416

.7854

1 1/8

3.534

.994

1 1/4

3.927

1.227

1 3/8

4.319

1.484

1 1/2

4.712

1.767

1 5/8

5.105

2.073

1 3/4

5.497

2.405

1 7/8

5.89

2.761

2

6.283

3.141

2 1/8

6.675

3.546

2 1/4

7.068

3.976

2 3/8

7.461

4.43

2 1/2

7.854

4.908

2 5/8

8.246

5.411

2 3/4

8.639

5.939

2 7/8

9.032

6.491

3

9.424

7.068

3 1/4

10.21

8.295

3 1/2

10.99

9.621

3 3/4

11.78

11.044

4

12.56

12.566

4 1/4

13.35

14.186

4 1/2

14.13

15.904

Diam.

Circumf.

Area.

4 3/4

14.92

17.72

5

15.7

19.635

5 1/4

16.49

21.647

5 1/2

17.27

23.758

5 3/4

18.06

25.967

6

18.84

28.274

6 1/4

19.63

30.679

6 1/2

20.42

33.183

6 3/4

21.2

35.784

7

21.99

38.484

7 1/4

22.77

41.282

7 1/2

23.56

44.178

7 3/4

24.34

47.173

8

25.13

50.265

8 1/4

25.91

53.456

8 1/2

26.7

56.745

8 3/4

27.48

60.132

9

28.27

63.617

9 1/4

29.05

67.2

9 1/2

29.84

70.882

9 3/4

30.63

74 662

10

31.41

78.539

10 1/4

32.2

82.516

10 1/2

32.98

86.59

10 3/4

33.77

90.762

11

34.55

95.033

11 1/4

35.34

99.402

11 1/2

36.12

103.86

11 3/4

36.91

108.43

12

37.69

113.09

12 1/4

38.48

117.85

12 1/2

39.27

122.71

12 3/4

40.05

127.67

13

40.84

132.73

13 1/4

41.62

137.88

13 1/2

42.41

143.13

13 3/4

43.19

148.48

14

43.98

153 93

14 1/4

44.76

159.48

14 1/2

45.55

165.13

Diam.

Circuinf.

Area.

14 3/4

46.33

170.87

15

47.12

176.71

15 1/4

47.9

182.65

15 1/2

48.69

188.69

15 3/4

49 48

194.82

16

50.26

201.06

16 1/4

51.05

207.39

16 1/2

51.83

213.82

16 3/4

52.62

220.35

17

53.4

226.98

17 1/4

54.19

233.7

17 1/2

54.97

240.52

17 3/4

55.76

247.45

18

56.54

254.46

18 1/4

57.33

261.58

18 1/2

58.11

268.8

18 3/4

58.9

276.11

19

59.69

283.52

19 1/4

60.47

291.03

19 1/2

61.26

298.64

19 3/4

62.04

306.35

20

62.83

314.16

20 1/4

63.61

322.06

20 1/2

64.4

330.06

20 3/4

65.18

338.16

21

65.97

346.36

21 1/4

66.75

354.65

211/2

67.54

363.05

21 3/4

68.32

371.54

22

69.11

380.13

22 1/4

69 9

388.82

22 1/2

70.68

397.6

22 3/4

71.47

406.49

23

7225

415.47

23 1/4

73.04

424.55

23 1/2

73.82

433.73

23 3/4

74.61

443.01

24

75.39

452.39