Inches to MM Converter
Free inches to mm converter. Convert inches to millimeters instantly. Easy online tool for 1 inch to mm, 10 inch to mm, 3 inch to mm conversions. Accurate results with formula.
Inches to MM Converter
Enter inches value and click Convert to get millimeters.
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Relationship Between Millimeters and Inches
The conversion between millimeters and inches is based on the exact relationship where 1 inch equals 25.4 millimeters in the metric system.
1" = 25.4 mm
To convert cm to inches, we need to divide the value in millimeters by 25.4.
For example: 1 inch = 25.4 mm.
Inch
What is an Inch (in)?
An inch (symbol: in) is a unit of length in the imperial and US customary systems, equal to exactly 25.4 millimeters. There are 12 inches in a foot and 36 inches in a yard.
Origin
The term "inch" comes from the Latin "uncia" (one-twelfth of a Roman foot). Early definitions were based on three barleycorns or the width of a human thumb.
Current Use
Inches are mainly used in the United States, Canada, and the United Kingdom, and for electronic components in Japan and other countries.
Millimeter
What is a Millimeter (mm)?
A millimeter (symbol: mm) is a unit of length in the International System of Units (SI), equal to exactly 1/1000th of a meter. It is one of the most commonly used metric units for precise measurements.
Origin and Definition:
The millimeter gets its name from the metric prefix "milli-", meaning one thousandth. The current definition is based on the meter, which is defined as the distance light travels in 1/299,792,458th of a second. This ensures extreme accuracy in modern measurements.
Key Features:
- 1 millimeter = 0.001 meters
- 1 millimeter = 0.0393701 inches
- Widely used in engineering, manufacturing, and scientific applications
- Essential for precise measurements in technology and construction
Inch to Millimeter Conversion Table
The conversion of inches to millimeters for certain values are provided below:
- Inches [in]
- Millimeters [mm]
- 0.001 in
- 0.0254 mm
- 0.01 in
- 0.254 mm
- 0.1 in
- 2.54 mm
- 1 in
- 25.4 mm
- 2 in
- 50.8 mm
- 3 in
- 76.2 mm
- 4 in
- 101.6 mm
- 5 in
- 127.0 mm
- 6 in
- 152.4 mm
- 7 in
- 177.8 mm
- 8 in
- 203.2 mm
- 9 in
- 228.6 mm
- 10 in
- 254.0 mm
- 20 in
- 508.0 mm
- 30 in
- 762.0 mm
- 40 in
- 1016.0 mm
- 50 in
- 1270.0 mm
- 60 in
- 1524.0 mm
- 70 in
- 1778.0 mm
- 80 in
- 2032.0 mm
- 90 in
- 2286.0 mm
- 100 in
- 2540.0 mm
- 1000 in
- 25400.0 mm
Conversion Calculators
