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.
In this way, what size is 3 mm in inches?
| MM | Approximate Size In Inches | Exact Size In Inches |
|---|---|---|
| 1mm | 1/25 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 |