Pipe Chart 1/2" thru 42"

Nominal Pipe Size

All data in Inches

1/2" NPS

3/4" NPS

1" NPS

1 1/4" NPS

1 1/2" NPS

2" NPS

2 1/2" NPS

3" NPS

3 1/2" NPS

4" NPS

4 1/2" NPS

5" NPS

6" NPS

7" NPS

8" NPS

9" NPS

10" NPS

11" NPS

12" NPS

14" NPS

16" NPS

18" NPS

20" NPS

22" NPS

24" NPS

26" NPS

28" NPS

30" NPS

32" NPS

34" NPS

36" NPS

42" NPS



















1/2" NPS

Pipe OD .840"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.065

.710

5

.065

.710

10S

.083

.674

10

.083

.674

20



30



40S

.109

.622

40

.109

.622

STD

.109

.622

60



80S

.147

.546

80

.147

.546

EX

.147

.546

100



120



140



160

.188

.464

XXH

.294

.252

3/4" NPS

Pipe OD 1.050"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.065

.920

5

.065

.920

10S

.083

.884

10

.083

.884

20



30



40S

.113

.824

40

.113

.824

STD

.113

.824

60



80S

.154

.742

80

.154

.742

EX

.154

.742

100



120



140



160

.219

.612

XXH

.308

.434

1" NPS

Pipe OD 1.050"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.065

1.185

5

.065

1.185

10S

.109

1.097

10

.109

1.097

20



30



40S

.133

1.049

40

.133

1.049

STD

.133

1.049

60



80S

.179

.957

80

.197

.957

EX

.179

.957

100



120



140



160

.250

.815

XXH

.358

.599

1 1/4" NPS

Pipe OD 1.660"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.065

1.530

5

.065

1.530

10S

.109

1.442

10

.109

1.442

20



30



40S

.140

1.380

40

.140

1.380

STD

.140

1.380

60



80S

.191

1.278

80

.191

1.278

EX

.191

1.278

100



120



140



160

.250

1.160

XXH

.382

.896

1 1/2" NPS

Pipe OD 1.900"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.065

1.770

5

.065

1.770

10S

.109

1.682

10

.109

1.682

20



30



40S

.145

1.610

40

.145

1.610

STD

.145

1.610

60



80S

.200

1.500

80

.200

1.500

EX

.200

1.500

100



120



140



160

.281

1.338

XXH

.400

1.100

2" NPS

Pipe OD 2.375"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.065

2.245

5

.065

2.245

10S

.109

2.157

10

.109

2.157

20



30



40S

.154

2.067

40

.154

2.067

STD

.154

2.067

60



80S

.218

1.939

80

.218

1.939

EX

.218

1.939

100



120



140



160

.344

1.687

XXH

.346

1.503

2 1/2" NPS

Pipe OD 2.875"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.083

2.709

5

.083

2.709

10S

.120

2.635

10

.120

2.635

20



30



40S

.203

2.469

40

.203

2.469

STD

.203

2.469

60



80S

.276

2.323

80

.276

2.232

EX

.276

2.323

100



120



140



160

.375

2.125

XXH

.552

1.771

3" NPS

Pipe OD 3.500"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.083

3.334

5

.083

3.334

10S

.120

3.260

10

.120

3.260

20



30



40S

.216

3.068

40

.216

3.068

STD

.216

3.068

60



80S

.300

2.900

80

.300

2.900

EX

.300

2.900

100



120



140



160

.438

2.624

XXH

.600

2.300

3 1/2" NPS

Pipe OD 4.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.083

3.834

5

.083

3.834

10S

.120

3.760

10

.120

3.760

20



30



40S

.226

3.548

40

.226

3.548

STD

.226

3.548

60



80S

.318

3.364

80

.318

3.384

EX

.318

3.364

100



120



140



160



XXH

636

2.728

4" NPS

Pipe OD 4.500"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.083

4.334

5

.083

4.334

10S

.120

4.260

10

.120

4.260

20



30



40S

.237

4.026

40

.237

4.026

STD

.237

4.026

60

.281

3.938

80S

.337

3.826

80

.337

3.826

EX

.337

3.826

100



120

.438

3.624

140



160

.531

3.438

XXH

.674

3.152

4 1/2" NPS

Pipe OD 5.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10



20



30



40S



40



STD

.247

4.506

60



80S



80



EX

.355

4.290

100



120



140



160



XXH

.710

3.580

5" NPS

Pipe OD 5.563"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.109

5.345

5

.109

5.345

10S

.134

5.295

10

.134

5.295

20



30



40S

.258

5.047

40

.258

5.047

STD

.258

5.047

60



80S

.375

4.813

80

.375

4.813

EX

.375

4.813

100



120

.500

4.563

140



160

.625

4.313

XXH

.750

4.063

6" NPS

Pipe OD 6.625"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.109

6.407

5

.109

6.407

10S

.134

6.357

10

.134

6.357

20



30



40S

.280

6.065

40

.280

6.065

STD

.280

6.065

60



80S

.432

5.761

80

.432

5.761

EX

.432

5.761

100



120

.562

5.501

140



160

.719

5.187

XXH

.864

4.897

7 NPS

Pipe OD 7.625"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10



20



30



40S



40



STD

.301

7.023

60



80S



80



EX

.500

6.625

100



120



140



160



XXH

.875

5.875

8" NPS

Pipe OD 8.625"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.109

8.407

5

.109

8.407

10S

.148

8.329

10

.148

8.329

20

.250

8.125

30

.277

8.071

40S

.322

7.981

40

.322

7.981

STD

.322

7.981

60

.406

7.813

80S

.500

7.625

80

.500

7.625

EX

.500

7.625

100

.594

7.437

120

.719

7.187

140

.812

7.001

160

.906

6.813

XXH

.875

6.875

9" NPS

Pipe OD 9.625"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10



20



30



40S



40



STD

.342

8.941

60



80S



80



EX

.500

8.625

100



120



140



160



XXH



10" NPS

Pipe OD 10.750"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.134

10.482

5

.134

10.482

10S

.165

10.420

10

.165

10.420

20

.250

10.250

30

.307

10.136

40S

.365

10.020

40

.365

10.020

STD

.365

10.020

60

.500

9.750

80S

.500

9.750

80

.594

9.562

EX

.500

9.750

100

.719

9.312

120

.844

9.062

140

1.000

8.750

160

1.125

8.500

XXH

1.000

8.750

11 NPS

Pipe OD 11.750"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10



20



30



40S



40



STD

.375

11.000

60



80S



80



EX

.500

10.750

100



120



140



160



XXH



12" NPS

Pipe OD 12.750"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.156

12.438

5

.165

12.420

10S

.180

12.390

10

.180

12.390

20

.250

12.250

30

.330

12.090

40S

.375

12.000

40

.406

11.398

STD

.375

12.000

60

.562

11.625

80S

.500

11.750

80

.688

11.374

EX

.500

11.750

100

.844

11.062

120

1.000

10.750

140

1.125

10.500

160

1.312

10.126

XXH

1.000

10.750

14" NPS

Pipe OD 14.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.156

13.688

5



10S

.188

13.624

10

.250

13.500

20

.312

13.376

30

.375

13.250

40S

.375

13.250

40

.438

13.124

STD

.375

13.250

60

.594

12.812

80S

.500

13.000

80

.750

12.500

EX

.500

13.000

100

.938

12.124

120

1.094

11.812

140

1.250

11.500

160

1.406

11.188

XXH



16" NPS

Pipe OD 16.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.165

15.670

5



10S

.188

15.624

10

.250

15.500

20

.312

15.376

30

.375

15.250

40S

.375

15.250

40

.500

15.000

STD

.375

15.250

60

.656

14.688

80S

.500

15.000

80

.844

14.312

EX

.500

15.000

100

1.031

13.938

120

1.219

13.562

140

1.438

13.124

160

1.594

12.812

XXH



18" NPS

Pipe OD 18.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.165

17.670

5



10S

.188

17.624

10

.250

17.500

20

.312

17.376

30

.438

17.124

40S

.375

17.250

40

.562

16.876

STD

.375

17.250

60

.750

16.500

80S

.500

17.000

80

.938

16.124

EX

.500

17.000

100

1.156

15.688

120

1.375

15.250

140

1.562

14.876

160

1.781

14.438

XXH



20" NPS

Pipe OD 20.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.188

19.624

5



10S

.218

19.564

10

.250

19.500

20

.375

19.250

30

.500

19.000

40S

.375

19.250

40

.594

18.812

STD

.375

19.250

60

.812

18.376

80S

.500

19.000

80

1.031

17.938

EX

.500

19.000

100

1.281

17.438

120

1.5000

17.000

140

1.750

16.5000

160

1.969

16.062

XXH



22" NPS

Pipe OD 22.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10

.250

21.5000

20

.375

21.250

30

.500

21.000

40S



40



STD

.375

21.250

60

.875

20.250

80S



80

1.125

19.750

EX

.500

21.000

100

1.375

19.250

120

1.625

18.250

140

1.875

18.250

160

2.125

17.750

XXH



24" NPS

Pipe OD 24.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S

.218

23.654

5



10S

.250

23.500

10

.250

23.500

20

.375

23.250

30

.562

22.876

40S

.375

23.250

40

.688

22.624

STD

.375

23.250

60

.969

22.062

80S

.500

23.000

80

1.219

21.562

EX

.500

23.000

100

1.531

20.938

120

1.812

20.376

140

2.062

19.876

160

2.344

19.312

XXH



26 NPS

Pipe OD 26.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10

.312

25.376

20

.500

25.000

30



40S



40



STD

.375

25.250

60



80S



80



EX

.500

25.000

100



120



140



160



XXH



28" NPS

Pipe OD 28.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10

.312

27.376

20

.500

27.000

30

.625

26.750

40S



40



STD

.375

27.250

60



80S



80



EX

.500

27.000

100



120



140



160



XXH



30" NPS

Pipe OD 30.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10

.312

29.376

20

.500

29.000

30

.625

28.750

40S



40



STD

.375

29.250

60



80S



80



EX

.500

29.000

100



120



140



160



XXH



32" NPS

Pipe OD 32.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10

.312

31.376

20

.500

31.000

30

.625

30.750

40S



40

.688

30.624

STD

.375

31.250

60



80S



80



EX

.500

31.000

100



120



140



160



XXH



34" NPS

Pipe OD 34.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10

.312

33.376

20

.500

33.000

30

.625

32.750

40S



40

.688

32.624

STD

.375

33.250

60



80S



80



EX

.500

33.000

100



120



140



160



XXH



36" NPS

Pipe OD 36.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10

.312

35.376

20

.500

35.000

30

.625

34.750

40S



40

.750

34.500

STD

.375

35.250

60



80S



80



EX

.500

35.000

100



120



140



160



XXH



42" NPS

Pipe OD 42.000"

To Pipe Size

Pipe Sch

Pipe Wall

Ring OD

Pipe Sch

Pipe Wall

Ring OD

5S



5



10S



10



20

.500

41.000

30

.625

40.750

40S



40

.750

40.500

STD

.375

41.250

60



80S



80



EX

.500

41.000

100



120



140



160



XXH