Err

Part of the Classic Triumph Community since 1991

 

Metric/Imperial Conversions

If you have the inches, and need to know the millimeters:
In order of increasing size... 
1/16 inch = almost 2mm 
1/8 inch = just barely over 3mm 
1/4 inch = just barely over 6mm
5/16 inch = 8mm 
3/8 inch = almost 10mm 
1/2 inch = almost 13mm 
5/8 inch = 16mm 
3/4 inch = 19mm 
7/8 inch = just barely over 22mm 
1 inch = 25.4mm 

If you have the millimeters, and need to know the inches:
1mm = just over 1/32 inch 
2mm = just over 1/16 inch 
3mm = almost 1/8 inch 
4mm = 5/32 inch (= a bit over 1/8 inch) 
5mm = just over 3/16 inch 
6mm = almost 1/4 inch 
7mm = almost 9/32 inch (= a bit over 1/4 inch) 
8mm = 5/16 inch 
9mm = almost 3/8 inch 
10mm = just over 3/8 inch 
11mm = almost 7/16 inch 
12mm = almost 15/32 inch (= almost 1/2 inch) 
13mm = just over 1/2 inch 
14mm = almost 9/16 inch 
15mm = almost 19/32 inch 
16mm = 5/8 inch 
17mm = almost 11/16 inch 
18mm = just over 11/16 inch 
19mm = 3/4 inch 
20mm = 25/32 inch 
21mm = just over 13/16 inch 
22mm = almost 7/8 inch 
23mm = 29/32 inch 
24mm = just over 15/16 inch 
25mm = almost 1 inch