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Convert Millimeters to Inches

Please provide values below to convert Millimeters [mm] to Inches [in].

Millimeters
mm
Inches
0.00in

How to Convert Millimeters to Inches

1 mm = 0.03937007874015748 in

1 in = 25.4 mm

Example: convert 10 mm to in: 10 mm = 10 × 0.03937007874015748 mm = 0.39370078740157477 mm

Millimeters

Definition: A millimeter (mm) is a unit of length in the metric system, equal to one-thousandth of a meter (1/1,000 m).

History: The millimeter was introduced with the metric system to provide a precise unit for small measurements, commonly used in engineering, manufacturing, and scientific applications.

Inches

Definition: An inch (in) is a unit of length in the imperial and US customary systems, equal to 1/12 of a foot or 2.54 centimeters.

History: The inch originates from medieval England, historically based on the width of a human thumb. It was later standardized to 2.54 cm and is widely used in carpentry, engineering, and everyday measurements.

Millimeters to Inches Conversion Table

MillimetersInches
0.01 mm0.0003937007874015748 in
0.1 mm0.003937007874015748 in
1 mm0.03937007874015748 in
2 mm0.07874015748031496 in
3 mm0.11811023622047244 in
5 mm0.19685039370078738 in
10 mm0.39370078740157477 in
20 mm0.7874015748031495 in
50 mm1.968503937007874 in
100 mm3.937007874015748 in
1000 mm39.37007874015748 in

Convert Millimeters to Other Length Units

Convert Other Length Units to Inches