Pipe
Size

O.D.
in Inches

5S

5

10S

10

20

30

40S
&
Std.

40

60

80S
&
XH

80

100

120

140

160

XXH

1/8

.405

.035
.1383

.049
.1863

.049
.1863

.068
.2447

.068
.2447

.095
.3145

.095
.3145

1/4

.540

.049
.2570

.065
.3297

.065
.3297

.088
.4248

.088
.4248

.119
.5351

.119
.5351

3/8

.675

.049
.3276

.065
.4235

.065
.4235

.091
.5676

.091
.5676

.126
.7388

.126
.7388

1/2

.840

.065
.5383

.065
.5383

.083
.6710

.083
.6710

.109
.8510

.109
.8510

.147
1.088

.147
1.088

.188
1.304

.294
1.714

3/4

1.050

.065
.6838

.065
.6838

.083
.8572

.083
.8572

.113
1.131

.113
1.131

.154
1.474

.154
1.474

.219
1.94

.308
2.441

1

1.315

065
.8678

065
.8678

.109
1.404

.109
1.404

.133
1.679

.133
1.679

.179
2.172

.179
2.172

.250
2.844

.358
3.659

1 1/4

1.660

.065
1.107

.065
1.107

.109
1.806

.109
1.806

.140
2.273

.140
2.273

.191
2.997

.191
2.997

.250
3.765

.382
5.214

1 1/2

1.900

.065
1.274

.065
1.274

.109
2.085

.109
2.085

.145
2.718

.145
2.718

.200
3.631

.200
3.631

.281
4.859

.281
6.408

2

2.375

.065
1.604

.065
1.604

.109
2.638

.109
2.638

.154
3.653

.154
3.653

.218
5.022

.218
5.022

.344
7.46

.436
9.029

2 1/2

2.875

.083
2.475

.083
2.475

.120
3.531

.120
3.531

.203
5.793

.203
5.793

.276
7.661

.276
7.661

.375
10.01

.552
13.70

3

3.500

.083
3.029

.083
3.029

.120
4.332

.120
4.332

.216
7.576

.216
7.576

.300
10.25

.300
10.25

.438
14.32

.600
18.58

3 1/2

4.000

.083
3.472

.083
3.472

.120
4.973

.120
4.973

.226
9.109

.226
9.109

.318
12.51

.318
12.51

.636
22.85

4

4.500

.083
3.915

.083
3.915

.120
5.613

.120
5.613

.237
10.79

.237
10.79

.281
12.66

.337
14.98

.337
14.98

.438
19.01

.531
22.51

.674
27.54

4 1/2

5.000

.247
12.53

.355
17.61

.710
32.53

5

5.563

.109
6.349

.109
6.349

.134
7.770

.134
7.770

.203
11.62

.258
14.62

.258
14.62

.375
20.78

.375
20.78

.500
27.04

.625
32.96

.750
38.55

6

6.625

.109
7.585

.109
7.585

.134
9.290

.134
9.290

.203
13.92

.280
18.97

.280
18.97

.432
28.57

.432
28.57

.562
36.39

.719
45.35

.864
53.16

7

7.625

.301
23.57

.500
38.05

.875
63.08

8

8.625

.109
9.914

.109
9.914

.148
13.40

.148
13.40

.250
22.36

.277
24.70

.322
28.55

.322
28.55

.406
35.64

.500
43.39

.500
43.39

.594
50.95

.719
60.71

.812
67.76

.906
74.69

.875
72.42

9

9.625

.342
33.90

.500
48.72

10

10.750

.134
15.19

.134
15.19

.165
18.65

.165
18.65

.250
28.04

.307
34.24

.365
40.48

.365
40.48

.500
54.74

.500
54.74

.594
64.43

.719
77.03

.844
89.29

1.000
104.13

1.125
115.64

1.000
104.13

11

11.750

.375
45.55

.500
60.07

12

12.750

.156
21.07

.165
22.18

.180
24.17

.180
24.17

.250
33.38

.330
43.77

.375
49.56

.406
53.53

.562
73.16

.500
65.42

.688
88.63

.844
107.32

1.000
125.5

1.125
139.7

1.312
160.3

1.000
125.5

14

14.000

.156
23.07

.188
27.73

.250
36.71

.312
45.61

.375
54.57

.375
54.57

.438
63.44

.594
85.05

.500
72.09

.750
106.1

.938
130.85

1.094
150.79

1.250
170.2

1.406
189.1

16

16.000

.165
27.90

.188
31.75

.250
42.05

.312
52.27

.375
62.58

.375
62.58

.500
82.77

.656
107.5

.500
82.77

.844
136.6

1.031
164.8

1.219
192.43

1.438
223.64

1.594
245.25

18

18.000