# MM to Inches

How to convert millimeters to inches? The millimeter to inches converter allows you to convert between millimeters and inches easily. You can find the mm to inches tool below.

Enter millimeters and inches in the respective input boxes to convert millimeters into inches. The answer can be found in mm to inches. ### How to Convert MM to Inches?

1 mm = 0.03937007874 inches

For example: Convert 10 mm to inches

10 mm to inches = 10 × 0.03937007874 = 0.3937007874 inches.

### Inch Definition

Inches are both imperial units and U.S. standard units of length that have the symbol “in”. One inch equals one/12th of a foot.

In the liquid crystal display, the specifications are generally 17 inches, 19 inches, 23 inches, 27 inches and so on. In mobile phones, the screen sizes are generally 4.0 inches, 4.2 inches, 4.5 inches, 4.7 inches, 4.8 inches, 5.0 inches, 5.2 inches, 5.5 inches, 5.7 inches, 6.44 inches and so on. In tablet computers, the screen sizes are generally 7.9 inches, 9.7 inches, and 12.9 inches. The size of the display is measured in terms of the length of the diagonal, in “inches”.

### Millimeter Definition

Millimeters are a unit of length measurement and a unit of rainfall. The English abbreviation is mm. 1 mm is equivalent to one thousandth of a meter, one hundredth of a decimeter, and one tenth of a centimeter.

One of the many metric prefixes is the milli-prefix. It is one thousandth of the base unit. In this case, it is the meter. Over time, the definition of a meter has changed. The current definition is based on how far one can travel at the speed of light over a certain time period. However, the relationship between the millimeter and the meter remains constant. The length of a prototype bar meter was the basis for the definition of the meter. The definition of a second has changed in 2019, and the meter was re-defined.