Worldwide Inches to mm Converter

Convert Inches to millimeters (inches to mm) Easily with Our User-Friendly Online Tool.




How to convert inches to millimeters?

The conversion factor from inches to millimeters is 25.4.

1 Inch = 25.4 Millimeters (1 in = 25.4 mm)


Conversion of Inches to Millimeters


Inches (in)Millimeters (mm)
1 inch25.40 mm
2 inches50.80 mm
3 inches76.20 mm
4 inches101.60 mm
5 inches127.00 mm
6 inches152.40 mm
7 inches177.80 mm
8 inches203.20 mm
9 inches228.60 mm
10 inches254.00 mm
20 inches508.00 mm
30 inches762.00 mm
40 inches1016.00 mm
50 inches1270.00 mm
100 inches2540.00 mm