1.5 Inch to Millimeter

Convert 1.5 (one) Inches to Millimeters (in to mm) with our conversion calculator.

1.5 Inches to Millimeters equals 38.1000 mm.

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Convert 1.5 Inches to Millimeters (in to mm) with our conversion calculator.

1.5 Inches to Millimeters equals 38.1000 mm.

To convert 1.5 inches to millimeters (mm), we use the conversion rate where 1 inch is equal to 25.4 mm. The calculation is straightforward. You multiply the length value in inches by the conversion factor to get the length in millimeters. So, for 1.5 inches, the calculation would be:

1.5 inches * 25.4 mm/inch = 38.1 mm

This calculation is carried out by understanding that each inch comprises 25.4 millimeters. The conversion factor of 25.4 is used because the definition of an inch has been standardized to exactly 25.4 mm in the international yard and pound agreement of 1959, which was adopted by the United States and countries of the Commonwealth of Nations. By applying this conversion factor, we can easily switch between the imperial system of measurement, which is primarily used in the United States, and the metric system, which is used in most other countries around the world. Thus, to convert any measurement in inches to millimeters, you multiply the number of inches by 25.4. This simple mathematical operation helps in making precise measurements that are necessary in various fields, including engineering, manufacturing, and even everyday situations.

Here are 7 items that are approximately 1.5 inches in length:

  1. Golf Tee:

    • Typically used to elevate the ball before hitting it at the start of each hole.
  2. Standard USB Flash Drive:

    • Often about this length, making it convenient to carry.
  3. Matchstick:

    • Length can vary, but many matchsticks are around 1.5 inches long.
  4. Large Paperclip:

    • Jumbo or large versions are typically this length.
  5. Small Screwdriver:

    • Some precision or eyeglass screwdrivers have shafts about 1.5 inches long.
  6. Key:

    • Many house and car keys are approximately 1.5 inches in the length of the blade.
  7. AA Battery:

    • While slightly shorter at about 1.99 inches in length, it's close in size, demonstrating the relative scale.