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 Milimeter to inches conversion chart

Refer to this chart when the measurements are noted in milimeters. Smaller items are usually measured in milimeters as it is a more accurate measurement.


MM Approximate Size In Inches Exact Size In Inches
1mm 1/32 Inch 0.03937 Inches
2mm 1/16 Inch 0.07874 Inches
3mm 3/32 Inch 0.11811 Inches
4mm 1/8 Inch 0.15748 Inches
5mm 3/16 Inch 0.19685 Inches
6mm Just short of 1/4 Inch 0.23622 Inches
7mm Little over 1/4 Inch 0.27559 Inches
8mm 5/16 Inch 0.31496 Inches
9mm Just short of 3/8 Inch 0.35433 Inches
10mm Little over 3/8 Inch 0.39370 Inches
11mm 7/16 Inch 0.43307 Inches
12mm Just short of 1/2 Inch 0.47244 Inches
13mm Little over 1/2 Inch 0.51181 Inches
14mm 9/16 Inch 0.55118 Inches
15mm Just short of 5/8 Inch 0.59055 Inches
16mm 5/8 Inch 0.62992 Inches
17mm Just short of 11/16 Inch 0.66929 Inches
18mm Just short of 3/4 Inch 0.70866 Inches
19mm Little over 3/4 Inch 0.74803 Inches
20mm Just short of 13/16 Inch 0.78740 Inches
21mm Little over 13/16 Inch 0.82677 Inches
22mm Just short of 7/8 Inch 0.86614 Inches
23mm Little over 7/8 Inch 0.90551 Inches
24mm 15/16 Inch 0.94488 Inches
25mm 1 Inch 0.98425 Inches