length conversion

How many inches are in 1 millimeter?

Quick answer, a live calculator, and reference values—built for fast, mobile-friendly lookups.

Main answer

1 millimeter = 0.04 inches

Amount (millimeters)

Result

1 millimeter = 0.04 inches

Factor: 0.0393700787402

There are 0.04 inches in 1 millimeter.

1 millimeter equals 0.04 inches. A millimeter is a common length unit for everyday sizing, crafts, and travel. An inch is another length unit you'll often see on rulers, road signs, and product dimensions.

Need the other direction?

Convert inches to millimeters.

Examples

1 millimeter
0.04 inches
5 millimeters
0.2 inches
10 millimeters
0.39 inches
100 millimeters
3.94 inches

Related conversions

millimeters to centimeters millimeters to meters millimeters to kilometers millimeters to feet millimeters to yards millimeters to miles