Convert Inch to Millimetre
1 Inch = 25.4 Millimetre · 1 Millimetre = 0.0393701 Inch
Conversion formula
1 in = 25.4 mm → in = 25.4 mm
The reverse direction: 1 mm = 0.03937007874 in.
Quick reference
| in | mm |
|---|---|
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 3 in | 76.2 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 20 in | 508 mm |
| 25 in | 635 mm |
| 50 in | 1,270 mm |
| 100 in | 2,540 mm |
| 250 in | 6,350 mm |
| 500 in | 12,700 mm |
| 1,000 in | 25,400 mm |
About these units
The Inch (in) and the Millimetre (mm) are both units of length. Under the standard definition, one in equals exactly 25.4 mm. This category's SI base unit is the metre.
Other conversions from Inch
in to cmin to min to kmin to ftin to ydin to miin to nmiin to ly