Inches to Millimeters Converter

Interactive calculator to easily convert Inches to Millimeters. Simply enter the desired value in the unit of your choice.

Popular Inch Converter

Converting Inches (in) to Millimeters (mm)

What is Inch (in)?

An inch (in) is a unit of length in the imperial and US customary systems. It is equal to 1/12 of a foot. The inch is commonly used in countries such as the United States and the United Kingdom for measuring smaller distances, particularly in contexts like screen sizes, clothing, and everyday objects.

What is Millimeter (mm)?

A millimeter (mm) is a unit of length in the metric system, equal to one thousandth of a meter. It is widely used in the scientific and engineering fields due to its precision in measuring small distances and dimensions, such as the thickness of materials or the size of tiny components in machinery.

Conversion Formulas

From Inches to Millimeters

To convert from inches to millimeters, you can use the following formula:

\text{millimeters} = \text{inches} \times 25.4

For example:

  • 1 inch = 25.4 mm
  • 5 inches = 127 mm
  • 10 inches = 254 mm

From Millimeters to Inches

To convert from millimeters to inches, you can use this formula:

\text{inches} = \frac{\text{millimeters}}{25.4}

For example:

  • 25.4 mm = 1 inch
  • 50 mm = 1.9685 inches
  • 100 mm = 3.937 inches

These formulas allow you to easily convert between inches and millimeters for various applications.

Example Conversions

1. Converting 17 Inches to Millimeters

To convert 17 inch to millimeter, multiply by 25.4:

17 , \text{in} \times 25.4 = 431.8 , \text{mm}

Thus, 17 inch is equal to 431.8 millimeter.

2. Converting 8 Inches to Millimeters

To convert 8 inch to millimeter, multiply by 25.4:

8 , \text{in} \times 25.4 = 203.2 , \text{mm}

So, 8 inch is equal to 203.2 millimeter.

3. Converting 7 Millimeters to Inches

To convert 7 millimeter to inch, divide by 25.4:

7 , \text{mm} \div 25.4 = 0.2756 , \text{in}

Therefore, 7 millimeter is equal to approximately 0.2756 inch.

Inch to Millimeter Conversion Table

Here is the conversion table showing inch to millimeter for various lengths:

Inch (in)Millimeter (mm)
0.01 in0.254 mm
0.1 in2.54 mm
1 in25.4 mm
2 in50.8 mm
3 in76.2 mm
4 in101.6 mm
5 in127 mm
6 in152.4 mm
7 in177.8 mm
8 in203.2 mm
9 in228.6 mm
10 in254 mm
20 in508 mm
30 in762 mm
40 in1,016 mm
50 in1,270 mm
60 in1,524 mm
70 in1,778 mm
80 in2,032 mm
90 in2,286 mm
100 in2,540 mm
1,000 in25,400 mm
2,000 in50,800 mm
3,000 in76,200 mm
4,000 in101,600 mm
5,000 in127,000 mm
6,000 in152,400 mm
7,000 in177,800 mm
8,000 in203,200 mm
9,000 in228,600 mm
10,000 in254,000 mm
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