Convert millimeter to inch

Please provide values below to convert millimeter [mm] to inch [in], or Convert inch to millimeter.

1 mm = 0.0393700787402 in. To convert millimeter to inch, multiply the value by 0.0393700787402; to go the other way, divide by it (1 in = 25.4 mm). Both units measure length and appear in everyday as well as technical calculations, so switching between them quickly is often useful.

Quick Reference

  • 1 mm = 0.0393700787402 in
  • 1 in = 25.4 mm
  • 10 mm = 0.393700787402 in
  • 100 mm = 3.93700787402 in



How to Convert Millimeter to Inch

1 mm = 0.0393700787401575 in

Example: convert 15 mm to in:
15 mm = 15 × 0.0393700787401575 in = 0.590551181102362 in


Millimeter to Inch Conversion Table

millimeter inch
1 mm 0.0393700787402 in
2 mm 0.0787401574803 in
3 mm 0.11811023622 in
5 mm 0.196850393701 in
10 mm 0.393700787402 in
20 mm 0.787401574803 in
50 mm 1.96850393701 in
100 mm 3.93700787402 in
500 mm 19.6850393701 in
1000 mm 39.3700787402 in

Millimeter

A millimeter is a unit of length in the metric system, equal to one-thousandth of a meter.

History/Origin

The prefix "milli-" comes from the Latin word "mille," meaning thousand. The millimeter was part of the original metric system adopted in France in 1795.

Current Use

The millimeter is widely used in engineering and manufacturing for high-precision measurements. It is also a common unit in construction and for measuring small objects.


Inch

An inch 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.

History/Origin

The term "inch" was derived from the Latin unit "uncia" which was equivalent to "one-twelfth" of a Roman foot. The inch has had various standards throughout history, with the current definition being based on the international yard.

Current Use

The inch is mostly used in the United States, Canada, and the United Kingdom. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens.


Frequently Asked Questions

What is 1 millimeter in inch?

1 millimeter (mm) = 0.0393700787402 inch (in).

How do you convert millimeter to inch?

Multiply the millimeter value by 0.0393700787402. For example, 25 mm × 0.0393700787402 = 0.984251968504 in.

What is 10 millimeter in inch?

10 mm = 0.393700787402 in.

Which unit is larger, the millimeter or the inch?

The inch is the larger unit: 1 mm equals only 0.0393700787402 in.



Convert millimeter To Other Length Units