Nominal Pipe Size Schedule Calculator
Nominal Pipe Size & Schedule Converter
As per ANSI B36.10M & ASME B36.19M for Stainless Steel & Nickel Alloys Seamless & Welded Pipe
| DN | Nominal Pipe Size (NPS) | Outside Diameter (MM) | Schedule(ASME/ANSI B36.10 B36.19 , Unit MM) | ||||||||||||||||
| 5S | 10S | 10 | 20 | 30 | 40S | STD | 40 | 60.00 | 80.00 | XS | 80S | 100.00 | 120.00 | 140.00 | 160.00 | XXS | |||
| 6 | 1/8 | 10.3 | – | 1.24 | – | – | – | 1.73 | 1.73 | 1.73 | – | 2.41 | 2.41 | 2.41 | – | – | – | – | – |
| 8 | 1/4 | 13.7 | – | 1.65 | – | – | – | 2.24 | 2.24 | 2.24 | – | 3.02 | 3.02 | 3.02 | – | – | – | – | – |
| 10 | 3/8 | 17.1 | – | 1.65 | – | – | – | 2.31 | 2.31 | 2.31 | – | 3.20 | 3.20 | 3.20 | – | – | – | – | – |
| 15 | 1/2 | 21.3 | 1.65 | 2.11 | – | – | – | 2.77 | 2.77 | 2.77 | – | 3.73 | 3.73 | 3.73 | – | – | – | 4.78 | 7.47 |
| 20 | 3/4 | 26.7 | 1.65 | 2.11 | – | – | – | 2.87 | 2.87 | 2.87 | – | 3.91 | 3.91 | 3.91 | – | – | – | 5.56 | 7.82 |
| 25 | 1 | 33.4 | 1.65 | 2.77 | – | – | – | 3.38 | 3.38 | 3.38 | – | 4.55 | 4.55 | 4.55 | – | – | – | 6.35 | 9.09 |
| 32 | 1 1/4 | 42.2 | 1.65 | 2.77 | – | – | – | 3.56 | 3.56 | 3.56 | – | 4.85 | 4.85 | 4.85 | – | – | – | 6.35 | 9.70 |
| 40 | 1 1/2 | 48.3 | 1.65 | 2.77 | – | – | – | 3.68 | 3.68 | 3.68 | – | 5.08 | 5.08 | 5.08 | – | – | – | 7.14 | 10.15 |
| 50 | 2 | 60.3 | 1.65 | 2.77 | – | – | – | 3.91 | 3.91 | 3.91 | – | 5.54 | 5.54 | 5.54 | – | – | – | 8.74 | 11.07 |
| 65 | 2 1/2 | 73 | 2.11 | 3.05 | – | – | – | 5.16 | 5.16 | 5.16 | – | 7.01 | 7.01 | 7.01 | – | – | – | 9.53 | 14.02 |
| 80 | 3 | 88.9 | 2.11 | 3.05 | – | – | – | 5.49 | 5.49 | 5.49 | – | 7.62 | 7.62 | 7.62 | – | – | – | 11.13 | 15.24 |
| 90 | 3 1/2 | 101.6 | 2.11 | 3.05 | – | – | – | 5.74 | 5.74 | 5.74 | – | 8.08 | 8.08 | 8.08 | – | – | – | – | – |
| 100 | 4 | 114.3 | 2.11 | 3.05 | – | – | – | 6.02 | 6.02 | 6.02 | – | 8.56 | 8.56 | 8.56 | – | 11.13 | – | 13.49 | 17.12 |
| 125 | 5 | 141.3 | 2.77 | 3.4 | – | – | – | 6.55 | 6.55 | 6.55 | – | 9.53 | 9.53 | 9.53 | – | 12.70 | – | 15.88 | 19.05 |
| 150 | 6 | 168.3 | 2.77 | 3.4 | – | – | – | 7.11 | 7.11 | 7.11 | – | 10.97 | 10.97 | 10.97 | – | 14.27 | – | 18.26 | 21.95 |
| 200 | 8 | 219.1 | 2.77 | 3.76 | – | 6.35 | 7.04 | 8.18 | 8.18 | 8.18 | 10.31 | 12.70 | 12.70 | 12.70 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
| 250 | 10 | 273.1 | 3.40 | 4.19 | – | 6.35 | 7.8 | 9.27 | 9.27 | 9.27 | 12.70 | 15.09 | 12.70 | 12.70 | 18.26 | 21.44 | 25.40 | 28.58 | 25.40 |
| 300 | 12 | 323.9 | 3.96 | 4.57 | – | 6.35 | 8.38 | 9.53 | 9.53 | 10.31 | 14.27 | 17.48 | 12.70 | 12.70 | 21.44 | 25.40 | 28.58 | 33.32 | 25.40 |
| 350 | 14 | 355.6 | 3.96 | 4.78 | 6.35 | 7.92 | 9.53 | – | 9.53 | 11.13 | 15.09 | 19.05 | 12.70 | – | 23.83 | 27.79 | 31.75 | 35.71 | – |
| 400 | 16 | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | 9.53 | – | 9.53 | 12.70 | 16.66 | 21.44 | 12.70 | – | 26.19 | 30.96 | 36.53 | 40.49 | – |
| 450 | 18 | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | 11.13 | – | 9.53 | 14.27 | 19.05 | 23.83 | 12.70 | – | 29.36 | 34.93 | 39.67 | 45.24 | – |
| 500 | 20 | 508.0 | 4.78 | 5.54 | 6.35 | 9.53 | 12.70 | – | 9.53 | 15.09 | 20.62 | 26.19 | 12.70 | – | 32.54 | 38.10 | 44.45 | 50.01 | – |
| 550 | 22 | 559 | 4.78 | 5.54 | 6.35 | 9.53 | 12.70 | – | 9.53 | – | 22.23 | 28.58 | 12.70 | – | 34.93 | 41.28 | 47.63 | 53.98 | – |
| 600 | 24 | 610 | 5.54 | 6.35 | 6.35 | 9.53 | 14.27 | – | 9.53 | 17.48 | 24.61 | 30.96 | 12.70 | – | 38.89 | 46.02 | 52.37 | 59.54 | – |
| 650 | 26 | 660 | – | – | 7.92 | 12.70 | – | – | 9.53 | – | – | – | 12.70 | – | – | – | – | – | – |
| 700 | 28 | 711 | – | – | 7.92 | 12.70 | 15.88 | – | 9.53 | – | – | – | 12.70 | – | – | – | – | – | – |
| 750 | 30 | 762 | 6.35 | 7.92 | 7.92 | 12.70 | 15.88 | – | 9.53 | – | – | – | 12.70 | – | – | – | – | – | – |
| 800 | 32 | 813 | – | – | 7.92 | 12.70 | 15.88 | – | 9.53 | 17.48 | – | – | 12.70 | – | – | – | – | – | – |
| 850 | 34 | 864 | – | – | 7.92 | 12.70 | 15.88 | – | 9.53 | 17.48 | – | – | 12.70 | – | – | – | – | – | – |
| 900 | 36 | 914 | – | – | 7.92 | 12.70 | 15.88 | – | 9.53 | 19.05 | – | – | 12.70 | – | – | – | – | – | – |
| 950 | 38 | 965 | – | – | – | – | – | – | 9.53 | – | – | – | 12.70 | – | – | – | – | – | – |
| 1000 | 40 | 1016 | – | – | – | – | – | – | 9.53 | – | – | – | 12.70 | – | – | – | – | – | – |
| 1050 | 42 | 1067 | – | – | – | – | – | – | 9.53 | – | – | – | 12.70 | – | – | – | – | – | – |
| 1100 | 44 | 1118 | – | – | – | – | – | – | 9.53 | – | – | – | 12.70 | – | – | – | – | – | – |
| 1150 | 46 | 1168 | – | – | – | – | – | – | 9.53 | – | – | – | 12.70 | – | – | – | – | – | – |
| 1200 | 48 | 1219 | – | – | – | – | – | – | 9.53 | – | – | – | 12.70 | – | – | – | – | – | – |
In this tool page, you can calculate the nominal pipe size schedule in batches without finding in the chart or table list. Let’s try it and save your time.
And you can also download Nominal Pipe Size Schedule from Seather Technology.
