Schedule 40 Pipe Sizes Chart

Nominal size [inches]

Outside diameter [inches]

Outside diameter [mm]

Wall thickness [inches]

Wall thickness [mm]

Weight [lb/ft]

Weight [kg/m]

 1/8

0.405

10.3

0.068

1.73

0.24

0.37

 1/4

0.54

13.7

0.088

2.24

0.42

0.84

 1/2

0.84

21.3

0.109

2.77

0.85

1.27

 3/4

1.05

26.7

0.113

2.87

1.13

1.69

1

1.315

33.4

0.133

3.38

1.68

2.5

1.25

1.66

42.2

0.14

3.56

2.27

3.39

1.5

1.9

48.3

0.145

3.68

2.72

4.05

2

2.375

60.3

0.154

3.91

3.65

5.44

2.5

2.875

73

0.203

5.16

5.79

8.63

3

3.500 

88.9

0.216

5.49

7.58

11.29

3.5

4.000 

101.6

0.226

5.74

9.11

13.57

4

4.500 

114.3

0.237

6.02

10.79

16.07

5

5.563

141.3

0.258

6.55

14.62

21.77

6

6.625

168.3

0.28

7.11

18.97

28.26

8

8.625

219.1

0.322

8.18

28.55

42.55

10

10.75

273

0.365

9.27

40.48

60.31

12

12.75

323.8

0.406

10.31

53.52

79.73

14

14

355.6

0.375

11.13

54.57

94.55

16

16

406.4

0.5

12.7

82.77

123.3

18

18

457

0.562

14.27

104.67

155.8

20

20

508

0.594

15.09

123.11

183.42

24

24

610

0.688

17.48

171.29

255.41