Pipe Sizes O.D In Inches Pipe Schedules
5s 5 10s 10 20 30 40s & Std 40 60 80s & E.H. 80 100 120 140 160 Dbl. E.H.
1/8 .405 - .035 .1383 .049 .1863 .049 .1863 - - .068 .2447 .068 .2447 - .095 .3145 .095 .3145 - - - - -
1/4 .540 - .049 .2570 .065 .3297 .065 .3297 - - .088 .4248 .088 .4248 - .119 .5351 .119 .5351 - - - - -
3/8 .675 - .049 .3276 .065 .4235 .065 .4235 - - .091 .5676 .091 .5676 - .126 .7338 .126 .7338 - - - - -
1/2 .840 .065 .5383 .065 .5383 .083 .6710 .083 .6710 - - .109 .8510 .109 .8510 - .147 1.088 .147 1.088 - - - .187 1.304 .294 1.714
3/4 1.050 .065 .6838 .065 .6838 .083 .8572 .083 .8572 - - .113 1.131 .113 1.131 - .154 1.474 .154 1.474 - - - .218 1.937 .308 2.441
1 1.315 .065 .8678 .065 .8678 .109 1.404 .109 1.404 - - .133 1.679 .133 1.679 - .179 2.172 .179 2.172 - - - .250 2.844 .358 3.659
1 1/4 1.660 .065 1.107 .065 1.107 .109 1.806 .109 1.086 - - .140 2.273 .140 2.273 - .191 2.997 .191 2.997 - - - .250 3.765 .382 5.214
1 1/2 1.900 .065 1.274 .065 1.274 .109 2.085 .109 2.085 - - .145 2.718 .145 2.718 - .200 3.631 .200 3.631 - - - .281 4.859 .400 6.408