Pipe Size Chart (1/8″ – 24″ Nominal Bores)

Nominal Bore

Nominal Diameter

Outer Diameter

Schedule 40 Wall Thickness

Schedule 40 Weight

Schedule 40 Internal Diameter

Schedule 80  Wall Thickness

Schedule 80 Weight

Schedule 80 Internal Diameter

1/8″

6 mm

0.405″ / 10.29 mm

0.068″ / 1.73 mm

0.37 kg/m

 0.269″ / 6.84 mm

0.095″ / 2.41 mm

0.47 kg/m

 0.215″ / 5.84 mm

1/4″

8 mm

0.540″ / 13.72 mm

 0.088″ / 2.24 mm

 0.63 kg/m

 0.364″ / 9.22 mm

 0.119″ / 3.02 mm

 0.8 kg/m

 0.302″ / 7.66 mm

3/8″

10 mm

0.675″ / 17.15 mm

 0.091″ / 2.31 mm

 0.84 kg/m

 0.493″ / 12.48 mm

 0.126″ / 3.2 mm

 1.1 kg/m

0.423″ / 10.7 mm

1/2″

15 mm

0.840″ / 21.34 mm

 0.109″ / 2.77 mm

 1.27 kg/m

0.622″ / 15.76 mm

0.147″ / 3.73 mm

 1.62 kg/m

 0.546″ / 13.84 mm

3/4″

20 mm

1.05″ / 26.67 mm

 0.113″ / 2.87 mm

1.69 kg/m

 0.824″ / 20.96 mm

0.154″ / 3.91 mm

2.2 kg/m

 0.742″ / 18.88 mm

1″

25 mm

1.315″ / 33.4 mm

 0.133″ / 3.38 mm

 2.5 kg/m

 1.049″ / 26.64″

 0.179″ / 4.55 mm

 3.24 kg/m

 0.957″ / 24.3 mm

1-1/4″

32 mm

1.66″ / 42.16 mm

 0.14″ / 3.56 mm

 3.39 kg/m

 1.38″ / 35.08 mm

 0.191″ / 4.85 mm

4.47 kg/m

 1.278″ / 32.5 mm

1-1/2″

40 mm

1.9″ / 48.26 mm

0.145″ / 3.68 mm

4.05 kg/m

 1.61″ / 40.94 mm

 0.2″ / 5.08 mm

 5.41 kg/m

 1.5″ / 38.14 mm

2″

50 mm

2.375″ / 60.33 mm

 0.154 ” / 3.91 mm

5.44 kg/m

 2.067″ / 52.48 mm

0.218″ / 5.54 mm

7.48 kg/m

 1.939″ / 49.22 mm

2-1/2″

65 mm

2.875″ / 73.02 mm

 0.203″ / 5.16 mm

8.63 kg/m

 2.469″ / 62.68 mm

 0.276″ / 7.01 mm

11.41 kg/m

 2.323″ / 58.98 mm

3″

80 mm

3.5″ / 88.9 mm

 0.216″ / 5.49 mm

11.29 kg/m

 3.068″ / 77.92 mm

 0.3″ / 7.62 mm

15.27 kg/m

 2.9″ / 73.66 mm

3-1/2″

90 mm

4″ / 101.6 mm

 0.226″ / 5.74 mm

13.57 kg/m

 3.548″ / 90.12 mm

 0.318″ / 8.08 mm

18.64 kg/m

3.364″ / 85.44 mm

4″

100 mm

4.5″ / 114.3 mm

 0.237″ / 6.02 mm

16.08 kg/m

 4.026″ / 102.26 mm

0.337″ / 8.56 mm

22.32 kg/m

 3.826″ / 97.18 mm

5″

125 mm

5.563″ / 141.3 mm

 0.258″ / 6.55 mm

21.77 kg/m

 5.047″ / 128.2 mm

 0.375″ / 9.53 mm

30.97 kg/m

 4.813″ / 122.24 mm

6″

150 mm

6.625″ / 168.27 mm

 0.28″ / 7.11 mm

 28.26 kg/m

 6.065″ / 154.08 mm

 0.432″ / 10.97 mm

42.56 kg/m

 5.761″ / 146.36 mm

8″

200 mm

8.625″ / 219.08

 0.322″ / 8.18 mm

 42.55 kg/m

 7.981″ / 202.74 mm

 0.5″ / 12.7 mm

 64.64 kg/m

7.625″ / 193.7 mm

9″

225 mm

9.625″ / 244.5 mm

0.342″ / 8.69 mm

50.54 kg/m

8.941″ / 227.12 mm

0.5″ / 12.7 mm

72.6 kg/m

8.625″ / 219.1 mm

10″

250 mm

10.75″ / 273 mm

0.365″ / 9.27 mm

60.29 kg/m

10.02″ / 254.46 mm

0.594″ / 15.09 mm

95.98 kg/m

9.562″ / 242.82 mm

11″

275 mm

11.75″ / 298.5 mm

0.375″ / 9.53 mm

67.91 kg/m

11″ / 279.44 mm

0.5″ / 12.7 mm

89.51 kg/m

10.75″ / 273.1 mm

12″

300 mm

12.75″ / 323.8 mm

 0.375″ / 9.53 mm

 73.86 kg/m

12″ / 304.74 mm

 0.688″ / 17.48 mm

 132.05 kg/m

 11.375″ / 288.84 mm

14″

350 mm

14″ / 355.6 mm

 0.438″ / 11.13 mm

 94.55 kg/m

 13.124″ / 333.34 mm

0.75″ / 19.05 mm

158.11 kg/m

12.5″ / 317.5 mm

16″

400 mm

16″ / 406.4 mm

 0.5″ / 12.7 mm

123.31 kg/m

15″ / 381 mm

 0.844″ / 21.44 mm

203.54 kg/m

14.312″ / 363.52 mm

18″

450 mm

18″ / 457 mm

 0.562″ / 14.27 mm

155.81 kg/m

16.897″ / 428.46 mm

 0.938″ / 23.83 mm

254.57 kg/m

16.124″ / 409.34 mm

20″

500 mm

20″ / 508 mm

0.594″ / 15.09 mm

183.43 kg/m

18.812″ / 477.82 mm

1.031″ / 26.19 mm

311.19 kg/m

17.938″ / 455.62 mm

22″

550 mm

22″ / 559 mm

 0.375″ / 9.53 mm

129.14 kg/m

21.25″ / 539.94 mm

 1.125″ / 28.58 mm

373.85 kg/m

 19.75″ / 501.84 mm

24″

600 mm

24″ / 610 mm

 0.688″ / 17.48 mm

255.43 kg/m

22.624″ / 575.04 mm

1.219″ / 30.96 mm

442.11 kg/m

21.562″ / 548.08 mm