PIPE SIZES

O.D IN INCHES

PIPE SCHEDULES

5s

5

10s

10

20

30

40s & Std

40

60

80s & E.H.

80

100

120

140

160

Dbl. E.H.

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 .7338

.126 .7338

1/2

.840

.065 .5383

.065 .5383

.083 .6710

.083 .6710

.109 .8510

.109 .8510

.147 1.088

.147 1.088

.187 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

.218 1.937

.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 1.086

.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

.400 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

.343 7.444

.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

.437 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

.273 10.79

.281 12.66

.337 14.98

.337 14.98

.437 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

.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

.280 18.97

.280 18.97

.432 28.57

.432 28.57

.562 36.39

.718 45.30

.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 28.5

.322 28.55

.406 35.64

.500 43.39

.500 43.39

.593 50.87

.718 60.93

.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 18.70

.250 28.04

.307 34.24

.365 40.48

.365 40.48

.500 54.74

.500 54.74

.593 64.33

.718 76.93

.843 89.20

1.000 104.1

1.125 115.7

11

11.750

.375 45.55

.500 60.07

12

12.750

.156 21.07

.165 22.18

.180 24.16

.180 24.20

.250 33.38

.330 43.77

.375 49.56

.406 53.53

.562 73.16

.500 65.42

.687 88.51

.843 107.2

1.000 125.5

1.125 139.7

1.312 160.3

14

14.000

.156 23.07

.188 27.73

.250 36.71

.312 45.68

.375 54.57

.375 54.57

.437 63.37

.593 84.91

.500 72.09

.750 106.1

.937 130.7

1.093 150.7

1.250 170.2

1.406 189.1

16

16.000

.165 27.90

.188 31.75

.250 42.05

.312 52.36

.375 62.58

.375 62.58

.500 82.77

.656 107.5

.500 82.77

.843 136.5

1.031 164.8

1.218 192.3

1.437 223.5

1.593 245.1

18

18.000

.165 31.43

.188 35.73

.250 47.39

.312 59.03

.437 52.06

.375 70.59

.562 104.8

.750 138.2

.500 93.45

.937 170.8

1.156 208.0

1.375 244.1

1.562 274.2

1.781 308.5

20

20.000

.188 39.78

.218 46.05