Reference
Pipe schedules
Outside diameter and nominal wall thickness in inches, by pipe size and schedule.
| Pipe Size | O.D. | 5S | 5 | 10S | 10 | 20 | 30 | 40S & Std. Wt. | 40 | 60 | 80S & E.H. | 80 | 100 | 120 | 140 | 160 | Dbl. E.H. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8″ | .405 | .035 | .049 | .049 | .068 | .068 | .095 | .095 | |||||||||
| 1/4″ | .540 | .049 | .065 | .065 | .088 | .088 | .119 | .119 | |||||||||
| 3/8″ | .675 | .049 | .065 | .065 | .091 | .091 | .126 | .126 | |||||||||
| 1/2″ | .840 | .065 | .065 | .083 | .083 | .109 | .109 | .147 | .147 | .187 | .294 | ||||||
| 3/4″ | 1.050 | .065 | .065 | .083 | .083 | .113 | .113 | .154 | .154 | .218 | .308 | ||||||
| 1″ | 1.315 | .065 | .065 | .109 | .109 | .133 | .133 | .179 | .179 | .250 | .358 | ||||||
| 1-1/4″ | 1.660 | .065 | .065 | .109 | .109 | .140 | .140 | .191 | .191 | .250 | .382 | ||||||
| 1-1/2″ | 1.900 | .065 | .065 | .109 | .109 | .145 | .145 | .200 | .200 | .281 | .400 | ||||||
| 2″ | 2.375 | .065 | .065 | .109 | .109 | .154 | .154 | .218 | .218 | .344 | .436 | ||||||
| 2-1/2″ | 2.875 | .083 | .083 | .120 | .120 | .203 | .203 | .276 | .276 | .375 | .552 | ||||||
| 3″ | 3.500 | .083 | .083 | .120 | .120 | .216 | .216 | .300 | .300 | .438 | .600 | ||||||
| 3-1/2″ | 4.000 | .083 | .083 | .120 | .120 | .226 | .226 | .318 | .318 | .636 | |||||||
| 4″ | 4.500 | .083 | .083 | .120 | .120 | .237 | .237 | .337 | .337 | .438 | .531 | .674 | |||||
| 4-1/2″ | 5.000 | .247 | .355 | ||||||||||||||
| 5″ | 5.563 | .109 | .109 | .134 | .134 | .258 | .258 | .375 | .375 | .500 | .625 | .750 | |||||
| 6″ | 6.625 | .109 | .109 | .134 | .134 | .280 | .280 | .432 | .432 | .562 | .719 | .864 | |||||
| 7″ | 7.625 | .301 | .500 | .875 | |||||||||||||
| 8″ | 8.625 | .109 | .109 | .148 | .148 | .250 | .277 | .322 | .322 | .406 | .500 | .500 | .594 | .719 | .812 | .906 | .875 |
| 9″ | 9.625 | .342 | .500 | ||||||||||||||
| 10″ | 10.750 | .134 | .134 | .165 | .165 | .250 | .307 | .365 | .365 | .500 | .500 | .594 | .719 | .844 | 1.000 | 1.125 | 1.000 |
| 11″ | 11.750 | .375 | .500 | ||||||||||||||
| 12″ | 12.750 | .156 | .165 | .180 | .180 | .250 | .330 | .375 | .406 | .562 | .500 | .688 | .844 | 1.000 | 1.125 | 1.312 | 1.000 |
| 14″ | 14.000 | .156 | .188 | .250 | .312 | .375 | .375 | .438 | .594 | .500 | .750 | .938 | 1.094 | 1.250 | 1.406 | ||
| 16″ | 16.000 | .165 | .188 | .250 | .312 | .375 | .375 | .500 | .656 | .500 | .844 | 1.031 | 1.219 | 1.438 | 1.594 | ||
| 18″ | 18.000 | .165 | .188 | .250 | .312 | .438 | .375 | .562 | .750 | .500 | .938 | 1.156 | 1.375 | 1.562 | 1.781 | ||
| 20″ | 20.000 | .188 | .218 | .250 | .375 | .500 | .375 | .594 | .812 | .500 | 1.031 | 1.281 | 1.500 | 1.750 | 1.969 | ||
| 24″ | 24.000 | .218 | .250 | .250 | .375 | .562 | .375 | .688 | .969 | .500 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | ||
| 26″ | 26.000 | .312 | .500 | .375 | .500 | ||||||||||||
| 28″ | 28.000 | .312 | .500 | .625 | .375 | ||||||||||||
| 30″ | 30.000 | .250 | .312 | .312 | .500 | .625 | .375 | .500 | |||||||||
| 32″ | 32.000 | .312 | .500 | .625 | .375 | .688 | .500 | ||||||||||
| 34″ | 34.000 | .312 | .500 | .625 | .375 | .688 | |||||||||||
| 36″ | 36.000 | .312 | .500 | .625 | .375 | .750 | .500 |
Dimensions in inches. Blank cells indicate the schedule is not standard for that size.
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