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Pipe Reference Chart

Confused about wall thickness and pipe schedules? Please use the following ANSI pipe dimension and weight chart. For your convienience STANDARD schedules are shaded blue and EXTRA HEAVY schedules are shaded red.

1/8" - 1/4" 3/8" - 1/2" 3/4" - 1" 1 1/4" - 1 1/2" 2" - 2 1/2"
3" - 3 1/2" 4" - 5" 6" - 8" 10" - 12" 14" - 16"
18" - 20" 22" - 24" 26" - 28" 30" - 32" 34" - 36"
38" - 40" 42" - 48" 54" - 60" 66" - 72" 78" - 84"
90" - 96" 102" - 108" 120" - 144"

ANSI Pipe Schedules in Inches
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1/8"
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NPS O.D. Sch # Wall Wt/Ft I.D.
1/8 .405 5 .035 .14 .335
1/8 .405 10 .049 .19 .307
1/8 .405 40 .068 .24 .269
1/8 .405 80 .095 .31 .215
           
1/4"
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NPS O.D. Sch # Wall Wt/Ft I.D.
1/4 .540 5 .049 .26 .442
1/4 .540 10 .065 .33 .410
1/4 .540 40 .088 .43 .364
1/4 .540 80 .119 .54 .302
           

3/8"
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NPS O.D. Sch # Wall Wt/Ft I.D.
3/8 .675 5 .049 .33 .577
3/8 .675 10 .065 .42 .545
3/8 .675 40 .091 .57 .493
3/8 .675 80 .126 .74 .423
           
           
1/2"
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NPS O.D. Sch # Wall Wt/Ft I.D.
1/2 .840 5 .065 .54 .710
1/2 .840 10 .083 .67 .674
1/2 .840 40 .109 .85 .622
1/2 .840 80 .147 1.09 .546
1/2 .840 160 .187 1.31 .464
1/2 .840 XXHY .294 1.72 .252

3/4"
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NPS O.D. Sch # Wall Wt/Ft I.D.
3/4 1.050 5 .065 .68 .920
3/4 1.050 10 .083 .86 .884
3/4 1.050 40 .113 1.13 .824
3/4 1.050 80 .154 1.48 .742
3/4 1.050 160 .218 1.94 .612
3/4 1.050 XXHY .308 2.44 .434
           
           
           
           
1"
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NPS O.D. Sch # Wall Wt/Ft I.D.
1 1.315 5 .065 .87 1.185
1 1.315   .072 .96 1.171
1 1.315   .083 1.09 1.149
1 1.315   .095 1.24 1.125
1 1.315 10 .109 1.41 1.097
1 1.315   .125 1.59 1.065
1 1.315 40 .133 1.68 1.049
1 1.315 80 .179 2.17 .957
1 1.315 160 .250 2.85 .815
1 1.315 XXHY .358 3.660 .599

1-1/4"
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NPS O.D. Sch # Wall Wt/Ft I.D.
1 1/4 1.660 5 .065 1.11 1.530
1 1/4 1.660   .072 1.22 1.516
1 1/4 1.660   .083 1.40 1.494
1 1/4 1.660   .095 1.59 1.470
1 1/4 1.660 10 .109 1.81 1.442
1 1/4 1.660   .125 2.05 1.410
1 1/4 1.660 40 .140 2.27 1.380
1 1/4 1.660 80 .191 3.00 1.278
1 1/4 1.660 160 .250 3.77 1.160
1 1/4 1.660 XXHY .382 5.22 .896
1-1/2"
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NPS O.D. Sch # Wall Wt/Ft I.D.
1 1/2 1.900 5 .065 1.28 1.774
1 1/2 1.900   .083 1.61 1.734
1 1/2 1.900   .095 1.83 1.710
1 1/2 1.900 10 .109 2.09 1.682
1 1/2 1.900   .125 2.37 1.650
1 1/2 1.900 40 .145 2.72 1.610
1 1/2 1.900 80 .200 3.63 1.500
1 1/2 1.900 160 .281 4.86 1.338
1 1/2 1.900 XXHY .400 6.41 1.100
           

2"
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NPS O.D. Sch # Wall Wt/Ft I.D.
2 2.375 5 .065 1.61 2.245
2 2.375   .078 1.91 2.219
2 2.375   .083 2.03 2.209
2 2.375   .095 2.31 2.185
2 2.375 10 .109 2.64 2.157
2 2.375   .125 3.00 2.125
2 2.375   .134 3.21 2.107
2 2.375   .141 3.36 2.093
2 2.375 40 .154 3.66 2.067
2 2.375   .172 4.050 2.031
2 2.375   .188 4.39 1.999
2 2.375 80 .218 5.03 1.939
2 2.375   .281 6.28 1.813
2 2.375 160 .343 7.45 1.687
2 2.375 XXHY .436 9.04 1.50
           
           
2-1/2"
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NPS O.D. Sch # Wall Wt/Ft I.D.
2 1/2 2.875   .078 2.33 2.719
2 1/2 2.875 5 .083 2.48 2.709
2 1/2 2.875   .094 2.79 2.687
2 1/2 2.875   .109 3.22 2.657
2 1/2 2.875 10 .120 3.53 2.635
2 1/2 2.875   .125 3.67 2.625
2 1/2 2.875   .141 4.12 2.593
2 1/2 2.875   .154 4.48 2.567
2 1/2 2.875   .156 4.53 2.563
2 1/2 2.875   .172 4.97 2.531
2 1/2 2.875   .188 5.40 2.499
2 1/2 2.875 40 .203 5.80 2.469
2 1/2 2.875   .216 6.13 2.443
2 1/2 2.875   .250 7.01 2.375
2 1/2 2.875 80 .276 7.67 2.323
2 1/2 2.875 160 .375 10.02 2.125
2 1/2 2.875 XXHY .552 13.71 1.771

3"
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NPS O.D. Sch # Wall Wt/Ft I.D.
3 3.500 5 .078 2.85 3.344
3 3.500   .083 3.03 3.334
3 3.500   .095 3.45 3.310
3 3.500   .109 3.95 3.282
3 3.500 10 .120 4.34 3.260
3 3.500   .125 4.51 3.250
3 3.500   .141 5.06 3.218
3 3.500   .156 5.57 3.188
3 3.500   .172 6.11 3.156
3 3.500   .188 6.65 3.124
3 3.500 40 .216 7.58 3.068
3 3.500   .250 8.68 3.000
3 3.500   .281 9.66 2.938
3 3.500 80 .300 10.26 2.900
3 3.500 160 .437 14.31 2.624
3 3.500 XXHY .600 18.58 2.300
3-1/2"
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NPS O.D. Sch # Wall Wt/Ft I.D.
3-1/2 4.000 5 .083 3.48 3.834
3-1/2 4.000   .094 3.92 3.812
3-1/2 4.000   .109 4.53 3.782
3-1/2 4.000 10 .120 4.98 3.760
3-1/2 4.000   .125 5.17 3.750
3-1/2 4.000   .141 5.81 3.718
3-1/2 4.000   .156 6.40 3.688
3-1/2 4.000   .172 7.03 3.656
3-1/2 4.000   .188 7.65 3.624
3-1/2 4.000 40 .226 9.12 3.548
3-1/2 4.000   .250 10.01 3.500
3-1/2 4.000   .281 11.16 3.438
3-1/2 4.000 80 .318 12.52 3.364
3-1/2 4.000 XXHY .636 22.87 2.728
           
           

4"
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NPS O.D. Sch # Wall Wt/Ft I.D.
4 4.500 5 .083 3.92 4.334
4 4.500   .094 4.42 4.312
4 4.500   .109 5.11 4.282
4 4.500 10 .120 5.62 4.260
4 4.500   .125 5.84 4.250
4 4.500   .141 6.56 4.218
4 4.500   .156 7.24 4.188
4 4.500   .172 7.95 4.156
4 4.500   .188 8.66 4.124
4 4.500   .203 9.32 4.094
4 4.500   .219 10.01 4.062
4 4.500 40 .237 10.80 4.026
4 4.500   .250 11.35 4.000
4 4.500 60 .281 12.67 3.938
4 4.500   .312 13.96 3.876
4 4.500 80 .337 15.00 3.826
4 4.500 120 .438 19.02 3.624
4 4.500 160 .531 22.53 3.438
4 4.500 XXHY .674 27.57 3.152
5"
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NPS O.D. Sch # Wall Wt/Ft I.D.
5 5.563   .083 4.86 5.397
5 5.563   .094 5.49 5.375
5 5.563 5 .109 6.36 5.345
5 5.563   .125 7.26 5.313
5 5.563 10 .134 7.78 5.295
5 5.563   .141 8.16 5.281
5 5.563   .156 9.01 5.251
5 5.563   .188 10.80 5.187
5 5.563   .219 12.50 5.125
5 5.563 40 .258 14.63 5.047
5 5.563   .281 15.85 5.001
5 5.563   .312 17.50 4.939
5 5.563   .344 19.17 4.875
5 5.563 80 .375 20.80 4.813
5 5.563 120 .500 27.06 4.563
5 5.563 160 .625 32.99 4.313
5 5.563 XXHY .750 38.59 4.063
           
           

6"
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NPS O.D. Sch # Wall Wt/Ft I.D.
6 6.625   .075 5.25 6.475
6 6.625   .083 5.80 6.459
6 6.625   .094 6.56 6.437
6 6.625 5 .109 7.59 6.407
6 6.625   .120 8.34 6.385
6 6.625   .125 8.68 6.375
6 6.625 10 .134 9.30 6.357
6 6.625   .141 9.76 6.343
6 6.625   .156 10.78 6.313
6 6.625   .164 11.32 6.297
6 6.625   .172 11.85 6.281
6 6.625   .188 12.92 6.249
6 6.625   .203 13.92 6.219
6 6.625   .219 14.98 6.187
6 6.625   .237 16.17 6.151
6 6.625   .250 17.02 6.125
6 6.625 40 .280 18.99 6.065
6 6.625   .312 21.04 6.001
6 6.625   .344 23.08 5.937
6 6.625   .375 25.03 5.875
6 6.625 80 .432 28.60 5.761
6 6.625   .500 32.71 5.625
6 6.625 120 .562 36.43 5.501
6 6.625   .625 40.05 5.375
6 6.625 160 .719 45.39 5.187
6 6.625 XXHY .864 53.21 4.897
6 6.625   1.00 60.07 4.625
6 6.625   1.125 66.08 4.375
           
           
           
8"
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NPS O.D. Sch # Wall Wt/Ft I.D.
8 8.625   .090 8.20 8.445
8 8.625   .105 9.55 8.415
8 8.625 5 .109 9.92 8.407
8 8.625   .120 10.90 8.385
8 8.625   .125 11.35 8.375
8 8.625   .135 12.24 8.355
8 8.625   .141 12.78 8.343
8 8.625 10 .148 13.41 8.329
8 8.625   .156 14.11 8.313
8 8.625   .164 14.82 8.297
8 8.625   .172 15.53 8.281
8 8.625   .188 16.94 8.250
8 8.625   .203 18.26 8.219
8 8.625   .219 19.66 8.187
8 8.625   .237 21.23 8.151
8 8.625 20 .250 22.38 8.125
8 8.625 30 .277 24.72 8.071
8 8.625   .312 27.70 8.001
8 8.625 40 .322 28.58 7.981
8 8.625   .344 30.42 7.937
8 8.625   .375 33.04 7.875
8 8.625 60 .406 35.67 7.813
8 8.625   .438 38.30 7.749
8 8.625 80 .500 43.43 7.625
8 8.625   .562 48.40 7.501
8 8.625 100 .593 50.91 7.437
8 8.625   .625 53.40 7.375
8 8.625 120 .719 60.77 7.187
8 8.625 140 .812 67.82 7.001
8 8.625 XXHY .875 72.42 6.875
8 8.625 160 .906 74.76 6.813

10"
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NPS O.D. Sch # Wall Wt/Ft I.D.
10 10.750   .109 12.39 10.532
10 10.750   .125 14.18 10.500
10 10.750 5 .134 15.21 10.480
10 10.750   .141 15.98 10.468
10 10.750   .156 17.65 10.438
10 10.750 10 .165 18.67 10.420
10 10.750   .172 19.43 10.406
10 10.750   .188 21.21 10.374
10 10.750   .203 22.87 10.344
10 10.750   .219 24.63 10.312
10 10.750   .237 26.61 10.276
10 10.750 20 .250 28.06 10.250
10 10.750   .279 31.20 10.192
10 10.750 30 .307 34.27 10.136
10 10.750   .344 38.23 10.062
10 10.750 40 .365 40.52 10.020
10 10.750   .375 41.55 10.000
10 10.750   .438 48.24 9.874
10 10.750 60 .500 54.79 9.750
10 10.750   .562 61.15 9.626
10 10.750 80 .593 64.39 9.562
10 10.750   .625 67.58 9.500
10 10.750 100 .719 77.10 9.312
10 10.750   .812 86.18 9.126
10 10.750 120 .844 89.29 9.062
10 10.750 140 / XXHY 1.000 104.23 8.750
10 10.750 160 1.125 115.75 8.500
12"
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NPS O.D. Sch # Wall Wt/Ft I.D.
12 12.750   .141 18.99 12.469
12 12.750   .156 20.98 12.438
12 12.750   .172 23.11 12.406
12 12.750   .188 25.22 12.374
12 12.750   .203 27.20 12.344
12 12.750   .219 29.31 12.312
12 12.750   .237 31.67 12.276
12 12.750 20 .250 33.41 12.250
12 12.750   .281 37.42 12.188
12 12.750   .312 41.45 12.126
12 12.750 30 .330 43.77 12.090
12 12.750   .344 45.58 12.062
12 12.750 STD .375 49.56 12.000
12 12.750 40 .406 53.52 11.938
12 12.750   .438 57.49 11.874
12 12.750 XHY .500 65.42 11.750
12 12.750 60 .562 73.15 11.626
12 12.750   .625 80.93 11.500
12 12.750 80 .688 88.63 11.374
12 12.750   .750 96.12 11.25
12 12.750 100 .844 107.32 11.062
12 12.750 120 / XXHY 1.000 125.49 10.750
12 12.750 140 1.125 139.67 10.500
12 12.750 160 1.312 160.27 10.126
           
           
           

14"
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NPS O.D. Sch # Wall Wt/Ft I.D.
14 14.000   .188 27.73 13.624
14 14.000   .203 29.91 13.594
14 14.000   .210 30.93 13.580
14 14.000   .219 32.23 13.562
14 14.000   .237 34.84 13.526
14 14.000 10 .250 36.71 13.500
14 14.000   .281 41.17 13.438
14 14.000 20 .312 45.61 13.376
14 14.000   .344 50.17 13.312
14 14.000 30 .375 54.57 13.250
14 14.000   .406 58.94 13.188
14 14.000 40 .438 63.44 13.124
14 14.000   .459 67.78 13.082
14 14.000 XHY .500 72.09 13.000
14 14.000   .562 80.66 12.876
14 14.000 60 .594 85.05 12.812
14 14.000   .625 89.28 12.750
14 14.000   .688 97.81 12.624
14 14.000 80 .750 106.13 12.500
14 14.000   .812 114.37 12.376
14 14.000 100 .938 130.85 12.124
14 14.000 120 1.094 150.70 11.812
14 14.000 140 1.250 170.21 11.500
14 14.000 160 1.406 189.11 11.188
16"
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NPS O.D. Sch # Wall Wt/Ft I.D.
16 16.000   .188 31.75 15.624
16 16.000   .203 34.25 15.594
16 16.000   .219 36.91 15.562
16 16.000   .237 39.90 15.526
16 16.000 10 .250 42.05 15.500
16 16.000   .281 47.17 15.438
16 16.000 20 .312 52.27 15.376
16 16.000   .344 57.52 15.312
16 16.000 30 .375 62.58 15.250
16 16.000   .406 67.62 15.188
16 16.000   .438 72.80 15.124
16 16.000   .469 77.79 15.062
16 16.000 40 / XHY .500 82.77 15.000
16 16.000   .562 92.66 14.876
16 16.000   .625 102.63 14.750
16 16.000 60 .656 107.50 14.688
16 16.000   .688 112.51 14.624
16 16.000   .750 122.15 14.500
16 16.000 80 .844 136.61 14.376
16 16.000 100 1.031 164.82 13.938
16 16.000 120 1.219 192.43 13.562
16 16.000 140 1.438 233.64 13.124
16 16.000 160 1.594 245.25 12.812
           

18"
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NPS O.D. Sch # Wall Wt/Ft I.D.
18 18.000   .188 35.76 17.624
18 18.000   .203 38.58 17.594
18 18.000   .219 41.59 17.562
18 18.000   .237 44.96 17.526
18 18.000   .250 47.39 17.500
18 18.000   .281 53.18 17.438
18 18.000 20 .312 58.94 17.376
18 18.000   .344 64.87 17.312
18 18.000 STD .375 70.59 17.250
18 18.000   .406 76.29 17.188
18 18.000 30 .438 82.15 17.124
18 18.000   .469 87.81 17.062
18 18.000 XHY .500 93.45 17.000
18 18.000 40 .562 104.67 16.876
18 18.000   .625 115.98 16.750
18 18.000 60 .688 127.21 16.624
18 18.000   .750 138.17 16.500
18 18.000   .812 149.06 16.376
18 18.000 80 .938 170.92 16.124
18 18.000 100 1.156 207.96 15.688
18 18.000 120 1.275 244.14 15.250
18 18.000 140 1.562 274.22 14.876
18 18.000 160 1.781 308.50 14.438
           
20"
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NPS O.D. Sch # Wall Wt/Ft I.D.
20 20.000   .188 39.78 19.624
20 20.000   .203 42.92 19.594
20 20.000   .219 46.27 19.562
20 20.000   .239 50.44 19.522
20 20.000   .250 52.73 19.500
20 20.000   .281 59.18 19.438
20 20.000   .312 65.60 19.376
20 20.000 20 / STD .375 78.60 19.250
20 20.000   .406 84.96 19.188
20 20.000   .438 91.51 19.124
20