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Metric to Imperial Conversion
Metric
Size mm
Imperial
Size inch
       Metric
Size mm
Imperial
Size inch
       Metric
Size mm
Imperial
Size inch
0.794 1/32" 28   105  
1   28.575 1-1/8" 107.95 4-1/4"
1.587 1/16" 29   110  
2   30   114.3 4-1/2"
2.381 3/32" 30.16 1-3/16" 115  
3   31   120  
3.175 1/8" 31.75 1-1/4" 120.65 4-3/4"
3.969 5/32" 32   125  
4   33   127 5"
4.763 3/16" 33.34 1-5/16" 130  
5   34   133.35 5-1/4"
5.556 7/32" 34.925 1-3/8" 135  
6   35   139.7 5-1/2"
6.35 1/4" 36   140  
7   36.51 1-7/16" 145  
7.144 9/32" 37   146.05 5-3/4"
7.938 5/16" 38   150  
8   38.1 1-1/2" 152.4 6"
8.731 11/32" 39   158.75 6-1/4"
9   39.69 1-9/16" 160  
9.525 3/8" 40   165.1 6-1/2"
10   41   170  
10.319 13/32" 41.275 1-5/8" 171.45 6-3/4"
11   42   177.8 7"
11.113 7/16" 42.86 1-11/16" 180  
11.906 15/32" 43   190  
12   44   190.5 7-1/2"
12.7 1/2" 44.45 1-3/4" 200  
13   45   203.2 8"
13.494 17/32" 46   210  
14   46.04 1-13/16" 215.9 8-1/2"
14.288 9/16" 47   220  
15   47.625 1-7/8" 228.6 9"
15.081 19/32" 48   230  
15.875 5/8" 49   240  
16   49.21 1-15/16" 241.3 9-1/2"
16.669 21/32" 50   250  
17   50.8 2" 254 10"
17.463 11/16" 53.975 2-1/8" 260  
18   55   270  
18.256 23/32" 57.15 2-1/4" 279.4 11"
19   60   280  
19.05 3/4" 60.325 2-3/8" 290  
19.844 25/32" 63.5 2-1/2" 300  
20   65   304.8 12"
20.638 13/16" 66.675 2-5/8" 330.2 13"
21   69.85 2-3/4" 355.6 14"
21.431 27/32" 70   381 15"
22   73.025 2-7/8" 406.4 16"
22.225 7/8" 75   431.8 17"
23   76.2 3" 457.2 18"
23.019 29/32" 80   482.6 19"
23.813 15/16" 82.55 3-1/4" 508 20"
24   85   533.4 21"
24.606 31/32" 88.9 3-1/2" 558.8 22"
25   90   584.2 23"
25.4 1" 95   609.6 24"
26   95.25 3-3/4" 635 25"
26.99 1-1/16" 100   660.4 26"
27   101.6 4" 685.8 27"
Interlloy believes the information provided is accurate and reliable. However no warranty of accuracy, completeness or reliability is given, nor will any responsibility be taken for errors or omissions.
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