Pipe Conversion Chart - Escondido Metal Supply
 
PIPE
SIZE
O.D. in
INCHES
5S 5 10S 10 20 30 40S 40 60 80S 80 100 120 140 160 DBL XXH
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 10.75 .134 .134 .165 .165 .250 .307 .365 .365 .500 .500 .594 .719 .844 1.000 1.125 1.000
11 11.75             .375     .500            
12 12.75 .156 .165 .180 .180 .250 .330 .375 .406 .562 .500 .688 .844 1.000 1.125 1.312 1.000
14 14.00 .156   .188 .188 .312 .375 .375 .438 .594 .500 .750 .938 1.09 1.250 1.406  
16 16.00 .165   .188 .188 .312 .375 .375 .500 .656 .500 .844 1.031 1.22 1.438 1.594  
18 18.00 .165   .188 .188 .312 .438 .375 .562 .750 .500 .938 1.156 1.38 1.562 1.781  
20 20.00 .188   .218 .218 .375 .500 .375 .594 .812 .500 1.031 1.281 1.500 1.750 1.969  
24 24.00 .218   .250 .250 .375 .562 .375 .688 .969 .500 1.219 1.531 1.812 2.062 2.344