Schedule 40 Outside Pipe Diameter
Size O.D.
1/8" - 0.405
1/4" - 0.540
3/8" - 0.675
1/2" - 0.840
3/4" - 1.050
1" - 1.315
1-1/4" - 1.660
1-1/2" - 1.900
2" - 2.375
2-1/2" - 2.875
3" - 3.500
3-1/2" - 4.000
4" - 4.500
5" - 5.563
6" - 6.625
8" - 8.625
10" - 10.750
12" - 12.750