SIZE
WEIGHT
mm                        inch                          kg/metre            
12.7 1/2″ 1.42
15.88 5/8″ 2.13
19.05 3/4″ 2.97
22.22 7/8″ 3.96
25.4 1″ 5.08
28.58 1-1/8″ 6.37
31.75 1-1/4″ 7.72
34.93  1-3/8″ 9.31
38.1 1-1/2″ 11.02
41.28 1-5/8″ 12.84
44.45 1-3/4″ 14.82
47.63  1-7/8″ 17.2
50.8 2″ 19.17
57.15 2-1/4″ 24.12
63.5 2-1/2″ 29.63
69.85 2-3/4″ 35.74
76.2 3″ 42.37
82.55 3-1/4″ 49.57
88.9 3-1/2″ 57.35
95.25  3-3/4″ 65.7
101.6 4″ 74.58
107.95  4-1/4″ 84.05
114.3 4-1/2″ 94.08
127 5″ 114.81
139.7 5-1/2″ 140.6
152.4 6″ 164.68
165.1 6-1/2″ 197.35
177.8 7″ 229.68
203.2 8″ 295.94
228.6 9″ 372.9
254.0 10″ 459.02
279.0 11″ 562.57