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INCH TO MM

Nominal diameter inch OD inch Outer diameter mm
Half 0.84 21.3
3/4 1.05 26.6
1 1.31 33.4
1 1/4 1.66 42.1
1 1/2 1.90 48.2
2 2.37 60.3
2 1/2 2.87 73.0
3 3.50 88.9
3 1/2 4.00 101.6
4 4.50 114.3
5 5.56 141.3
6 6.62 168.2
8 8.62 219.0
10 10.75 273.0
12 12.75 323.8
14 14.00 355.6
16 16.00 406.4
18 18.00 457.2
20 20.00 508.0
22 22.00 558.8
24 24.00 609.6
26 26.00 660.4
28 28.00 711.2
30 30.00 762.0
32 32.00 812.8
34 34.00 863.6
36 36.00 914.4
38 38.00 965.2
40 40.00 1016.0
42 42.00 1066.8
44 44.00 1117.6
46 46.00 1168.4
48 48.00 1219.2