mm to inches (Millimeters to Inches)

mm to inches (Millimeters to Inches) conversion calculator

inches to mm (Swap units)

25.4mm = 1in

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Accuracy

Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.

Millimeters to Inches formula

Inches = Millimeters / 25.4

Millimeters to Inches calculation

Inches = Millimeters / 25.4

Inches = 25.4 / 25.4

Inches = 1

 

How to convert millimeters to inches

Converting millimeters to inches is a straightforward process that involves dividing the length in millimeters by a conversion factor. The conversion factor for millimeters to inches is 0.03937, which means that there are 0.03937 inches in one millimeter. To convert millimeters to inches, simply divide the length in millimeters by 25.4, as there are 25.4 millimeters in one inch.

For example, let's say you have a length of 100 millimeters that you want to convert to inches. You would divide 100 by 25.4, which equals approximately 3.937 inches. Similarly, if you have a length of 50 millimeters, dividing it by 25.4 would give you approximately 1.969 inches.

To make the conversion even easier, you can use our online millimeters to inches converter. This tool will automatically perform the calculation for you, saving you time and effort. It is important to note that when converting between millimeters and inches, it is always a good idea to round the result to the desired level of precision, depending on the context of the measurement.

Why convert inches to millimeters?

Converting inches to millimeters is a common practice in various fields, including engineering, manufacturing, and construction. The primary reason for this conversion is the need for a more precise and standardized unit of measurement. Millimeters provide a smaller unit of measurement compared to inches, allowing for more accurate and detailed measurements.

Inches, being an imperial unit, is commonly used in the United States and United Kingdom, while millimeters are part of the metric system used in many other parts of the world. Converting inches to millimeters allows for seamless communication and collaboration between individuals and organizations working across different measurement systems.

Millimeters are particularly useful in industries that require high precision, such as machining and fabrication. The smaller unit allows for finer measurements, ensuring that components and products are manufactured with utmost accuracy. Additionally, millimeters are often used in scientific research, where precise measurements are crucial for experiments and data analysis.

Converting inches to millimeters is not only about standardization and precision but also about convenience. The metric system, including millimeters, offers a more logical and consistent system of measurement, making calculations and conversions easier. By converting inches to millimeters, individuals and professionals can work with a unit that is widely accepted and understood worldwide, facilitating efficient communication and collaboration in various industries.

What are millimeters?

Millimeters are a unit of measurement commonly used in the metric system. They are a smaller unit of length, with one millimeter being equal to one thousandth of a meter. This makes millimeters particularly useful when measuring small distances or dimensions, such as the thickness of a sheet of paper or the diameter of a small object.

Millimeters are widely used in various fields, including engineering, manufacturing, and construction. They provide a precise and accurate measurement for tasks that require fine details. For example, in the field of machining, millimeters are used to measure the dimensions of components with high precision, ensuring a perfect fit and functionality.

In everyday life, millimeters are also commonly used in various applications. They are used in the field of medicine to measure the size of tumors or the thickness of skin. Millimeters are also used in the fashion industry to measure the size of jewelry or the width of fabrics. Additionally, millimeters are used in the field of meteorology to measure rainfall or snowfall, providing valuable data for weather forecasting.

Millimeters are a versatile unit of measurement that allows for precise and accurate measurements in a wide range of applications. Whether it is for scientific research, engineering projects, or everyday tasks, millimeters play a crucial role in ensuring accuracy and consistency in measurements.

What are inches?

Inches, a unit of length commonly used in the United States, is a fundamental measurement that is still widely utilized in various fields. The inch is defined as 1/12th of a foot, making it equivalent to 2.54 centimeters or 25.4 millimeters. This unit is primarily used to measure small distances, such as the length of a pencil or the width of a book.

Inches are commonly used in construction, carpentry, and engineering. They are also frequently employed in the fashion industry for determining clothing sizes, as well as in the field of interior design for measuring furniture dimensions. Additionally, inches are utilized in the realm of technology, particularly for screen sizes and computer monitor resolutions.

Converting inches to other units of measurement is relatively straightforward. For instance, to convert inches to centimeters, one simply needs to multiply the number of inches by 2.54. Similarly, to convert inches to millimeters, the number of inches is multiplied by 25.4. Understanding the conversion factors between inches and other units allows for seamless communication and collaboration between individuals using different systems of measurement.

Inches are used mainly in the United States but it's use has been standard worldwide in specific fields where the US has been the world leader such as semiconductors. Inches are also widely used in the United Kingdom alongside their metric counterpart, centimeters.

Which countries use millimeters?

Millimeters, being a metric unit of length, are widely used across the globe. The majority of countries that have adopted the metric system as their official system of measurement use millimeters extensively. These countries include but are not limited to Australia, Canada, France, Germany, Japan, New Zealand, South Africa, and the United Kingdom.

In these countries, millimeters are commonly used in various industries and sectors. For instance, in construction and engineering, millimeters are the preferred unit for measuring dimensions of building materials, such as pipes, beams, and panels. Millimeters are also commonly used in manufacturing industries for precision measurements, such as in the production of electronic components, machinery, and tools. Millimeters are widely used in the medical field for measuring various aspects, including the size of tumors, the thickness of skin layers, and the diameter of blood vessels. Additionally, millimeters are utilized in the fashion and textile industry for measuring fabric thickness, button sizes, and seam allowances.

Which countries use inches?

The most notable country that uses inches is the United States. In the US, inches are commonly used in construction, engineering, and other industries. Additionally, inches are used for measuring height and weight in everyday life, such as for determining a person's height or the size of a television screen.

Another country that uses inches is the United Kingdom. Although the UK has officially adopted the metric system, inches are still commonly used in certain sectors, particularly in construction and architecture. This is due to the historical influence of the imperial system, which included inches as a unit of measurement. In the UK, inches are often used for measuring lengths, widths, and heights of objects, as well as for specifying clothing sizes.

 

Millimeters to Inches table

Starting value
Increment
Accuracy
Millimeters
Inches
0mm
0.00000in
1mm
0.03937in
2mm
0.07874in
3mm
0.11811in
4mm
0.15748in
5mm
0.19685in
6mm
0.23622in
7mm
0.27559in
8mm
0.31496in
9mm
0.35433in
10mm
0.39370in
11mm
0.43307in
12mm
0.47244in
13mm
0.51181in
14mm
0.55118in
15mm
0.59055in
16mm
0.62992in
17mm
0.66929in
18mm
0.70866in
19mm
0.74803in
Millimeters
Inches
20mm
0.78740in
21mm
0.82677in
22mm
0.86614in
23mm
0.90551in
24mm
0.94488in
25mm
0.98425in
26mm
1.02362in
27mm
1.06299in
28mm
1.10236in
29mm
1.14173in
30mm
1.18110in
31mm
1.22047in
32mm
1.25984in
33mm
1.29921in
34mm
1.33858in
35mm
1.37795in
36mm
1.41732in
37mm
1.45669in
38mm
1.49606in
39mm
1.53543in
Millimeters
Inches
40mm
1.57480in
41mm
1.61417in
42mm
1.65354in
43mm
1.69291in
44mm
1.73228in
45mm
1.77165in
46mm
1.81102in
47mm
1.85039in
48mm
1.88976in
49mm
1.92913in
50mm
1.96850in
51mm
2.00787in
52mm
2.04724in
53mm
2.08661in
54mm
2.12598in
55mm
2.16535in
56mm
2.20472in
57mm
2.24409in
58mm
2.28346in
59mm
2.32283in
Millimeters
Inches
60mm
2.36220in
61mm
2.40157in
62mm
2.44094in
63mm
2.48031in
64mm
2.51969in
65mm
2.55906in
66mm
2.59843in
67mm
2.63780in
68mm
2.67717in
69mm
2.71654in
70mm
2.75591in
71mm
2.79528in
72mm
2.83465in
73mm
2.87402in
74mm
2.91339in
75mm
2.95276in
76mm
2.99213in
77mm
3.03150in
78mm
3.07087in
79mm
3.11024in