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Millimeter (mm) to Inch (in) Online Unit Converter Tool

Result: 

Millimeter (mm):

Definition: The millimeter, represented as “mm,” is a unit of length equal to one thousandth of a meter or one tenth of a centimeter. It is commonly used for precise measurements in engineering, manufacturing, and scientific research.

History/Origin: The millimeter is a product of the metric system, introduced during the French Revolution. It is derived from the Latin word “mille,” meaning “thousand,” and the Greek word “metron,” meaning “measure.”

Current Uses: Millimeters play a crucial role in fields requiring high precision such as machining, 3D printing, microelectronics, and medical diagnostics. They provide a fine-grained measurement scale for intricate components.

Where to Use: Millimeters are employed in manufacturing processes, quality control, architectural drafting, and laboratory experiments where accuracy is paramount.

Inch (in):

Definition: The inch is a unit of length traditionally used in the United States, the United Kingdom, and other countries that follow the imperial system of measurement. It is approximately equal to 2.54 centimeters.

History/Origin: The inch has a long history dating back to ancient civilizations, where it was often defined based on the size of a human thumb or the width of a finger. It was standardized in various forms by different cultures over time.

Current Uses: While many countries have adopted the metric system, the inch is still widely used in the United States, the UK, and some other countries for construction, engineering, and everyday measurements.

Where to Use: Inches are commonly employed in carpentry, machining, architecture, interior design, and other fields where the imperial system is preferred or required.

Millimeter (mm) to Inch (in) Conversion Table:

Millimeter (mm)

Inch (in)

1

0.0393701

2

0.0787402

3

0.118110

4

0.157480

5

0.196850

6

0.236220

7

0.275591

8

0.314961

9

0.354331

10

0.393701