Convert Millimeters to Inches

Convert millimeters (mm) to inches (in) with our free online converter. Includes formula, conversion table, and common examples.

From

mm

Millimeters

To

in

Inches

How It Works

Divide the millimeter value by 25.4

Example: 1 mm = 0.03937 in

Millimeters to Inches Table

Millimeters (mm)	Inches (in)
1 mm	0.03937 in
2 mm	0.07874 in
3 mm	0.11811 in
4 mm	0.15748 in
5 mm	0.19685 in
6 mm	0.23622 in
7 mm	0.275591 in
8 mm	0.314961 in
9 mm	0.354331 in
10 mm	0.393701 in
12 mm	0.472441 in
15 mm	0.590551 in
20 mm	0.787402 in
25 mm	0.984252 in
30 mm	1.1811 in

Did You Know?

One inch equals exactly 25.4 millimeters.
Millimeters are commonly used for jewelry, electronic components, and rainfall measurements.

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