Inches to MM


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.


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.

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

oz to quart




infographic showing how to convert inches to millimeters

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