# MM to Inches

### Millimeter

Definition: A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). It is defined in terms of the meter, as 1/1000 of a meter, or the distance traveled by light in 1/299 792 458 000 of a second.

### Inch

Definition: An inch (symbol: in) is a unit of length in the imperial and US customary systems of measurement. An inch was defined to be equivalent to exactly 25.4 millimeters in 1959. There are 12 inches in a foot and 36 inches in a yard.

### How to Convert Millimeter to Inch

1 mm = 0.0393700787 in
1 in = 25.4 mm

Example: convert 15 mm to in:
15 mm = 15 × 0.0393700787 in = 0.5905511811 in

### MM to Inches Conversion Table

Millimeter [mm] Inch [in]
0.01 mm 0.0003937008 in
0.1 mm 0.0039370079 in
1 mm 0.0393700787 in
2 mm 0.0787401575 in
3 mm 0.1181102362 in
5 mm 0.1968503937 in
10 mm 0.3937007874 in
20 mm 0.7874015748 in
50 mm 1.968503937 in
100 mm 3.937007874 in
1000 mm 39.3700787402 in

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