Inch to Millimeter

1 Inch equals 25.4 Millimeter. Use the calculator below for any amount, or check the table for common values.

Common Inch to Millimeter values

Inch (in)Millimeter (mm)
1 Inch25.4 Millimeter
2 Inch50.8 Millimeter
5 Inch127 Millimeter
10 Inch254 Millimeter
25 Inch635 Millimeter
50 Inch1270 Millimeter
100 Inch2540 Millimeter
500 Inch12700 Millimeter
1000 Inch25400 Millimeter

Open the full Length Converter for any other unit · Millimeter to Inch