mm
in

How to convert millimeters to inches

1 millimeter is equal to 0.03937 inches:

1 mm = (1/25.4) in = 0.03937 in

When a distance L in millimeters is divided by 25.4, it gives distance in inches.

Lin = Lmm / 25.4


Example

To convert 5 millimeters into inches, it is divided by 25.4:

(5 mm) / 25.4 = 0.19685 in

Millimeters

The millimeters is a unit of length in the metric system. It is equal to 11000 of a meter. The SI symbol of centimeter is mm. It is a practical and most frequently used unit of length for many everyday measurements.

Inches

The inch (abbreviation: in or ) is a unit of length in the British imperial and United States customary systems of measurement. It is equal to ​136 yard or ​112 of a foot. In 1930, the British Standards Institution adopted an inch of exactly 25.4 mm. The American Standards Association followed suit in 1933.

Quick Conversion Table

The quick millimeter to inch conversion table is given below:

MillimetersInches
10 mm0.3937 in
20 mm0.7874 in
30 mm1.1811 in
40 mm1.5748 in
50 mm1.9685 in
60 mm2.3622 in
70 mm2.7559 in
80 mm3.1496 in
90 mm3.5433 in
100 mm3.937 in
500 mm19.685 in
1000 mm39.3701 in