How to Convert Inches to Metric Millimeters
- 1). Consider the basic relationship: 1 inch = 2.54 centimeters.
- 2). Multiply the length in inches by 2.54 to convert it to centimeters; for example if the length is 11.45 inches then 11.45 x 2.54 = 29.083 centimeters.
- 3). Multiply centimeters by 10 to convert the length to millimeters; in the example, 29.083 centimeters x 10 = 290.83 millimeters.
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