Millimeters and inches measure length. Millimeters are used in the metric system, while the inch is used in the imperial system. When converting between millimeters and inches, you need to know that there are 25.4 mm per inch. For example, if you were given a metric measurement in millimeters, you might need to convert it to an imperial measurement because inches are more commonly used than millimeters in the United States.
Step 1
Divide 48 mm by 25.4 to convert to 1.89 inches.
Step 2
Multiply 48 mm by 0.039370 to verify your conversion of 1.89 inches.
Step 3
Check your millimeters-to-inches conversion with an online calculator (see Resources). Type in your distance in millimeters and press the “Go” button.
By Dave Pennells
Dave Pennells, MS, has contributed his expertise as a career consultant and training specialist across various fields for over 15 years. At City University of Seattle, he offers personal career counseling and conducts workshops focused on practical job search techniques, resume creation, and interview skills. With a Master of Science in Counseling, Pennells specializes in career consulting, conducting career assessments, guiding career transitions, and providing outplacement services. Her professional experience spans multiple sectors, including banking, retail, airlines, non-profit organizations, and the aerospace industry. Additionally, since 2001, he has been actively involved with the Career Development Association of Australia.
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