Inches to Millimeters

mm = in × 25.4
—

Common questions about length conversion

in mm
1—
5—
10—
25—
50—
100—

Common questions

How many millimeters is 1 inches?

1 inches is 25.4 millimeters.

How do you convert inches to millimeters?

Multiply the value by 25.4. For example: 5 in × 25.4 = 127 mm.