Convert Inches to Millimeters

1 inch = 25.4 millimeters. Type any value below to convert in to mm.

From (in)To (mm)25.4

Formula

To convert inches to millimeters, multiply the value by 25.4.

Inches to Millimeters table

Inches (in)	Millimeters (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
1000 in	25,400 mm

Related length conversions

mm → in mm → cm mm → m mm → km mm → in mm → ft mm → yd mm → mi cm → mm cm → m cm → km cm → in cm → ft cm → yd cm → mi

FAQ

1 inch = 25.4 millimeters.

To convert inches to millimeters, multiply the value by 25.4.