How to Convert 120 mm to Inches

Converting millimeters to inches is a simple process that involves using a conversion factor. The conversion factor between millimeters and inches is 1 inch = 25.4 millimeters. This means that to convert millimeters to inches, you divide the millimeter value by 25.4.

For the specific conversion of 120 mm to inches:

120 mm ÷ 25.4 = 4.72441 inches

About Millimeters and Inches

Millimeters (mm) are a unit of length in the metric system, equal to one thousandth of a meter. The millimeter is commonly used for small measurements in engineering, manufacturing, and science.

Inches (in) are a unit of length in the imperial and US customary systems of measurement. One inch is defined as exactly 25.4 millimeters. Inches are widely used in the United States, Canada, and the United Kingdom for many everyday measurements.

Common Millimeter to Inch Conversions

Here are some frequently encountered millimeter measurements and their inch equivalents:

• 1 mm = 0.0393701 inches
• 5 mm = 0.19685 inches
• 10 mm = 0.393701 inches
• 25 mm = 0.984252 inches
• 50 mm = 1.9685 inches
• 100 mm = 3.93701 inches
• 120 mm = 4.72441 inches
• 150 mm = 5.90551 inches
• 200 mm = 7.87402 inches

Practical Applications

Understanding the conversion between millimeters and inches is essential in many fields:

• Engineering: Many technical drawings use millimeters, while some specifications may require inch measurements.
• Construction: Building materials may be specified in either millimeters or inches depending on the region.
• Manufacturing: Products designed for international markets often need measurements in both units.
• DIY Projects: Home improvement often requires converting between metric and imperial measurements.