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How many centimeters are in one inch?

  1. 2.54 centimeters

  2. 1 centimeter

  3. 10 centimeters

  4. 100 centimeters

The correct answer is: 2.54 centimeters

One inch is defined as being exactly 2.54 centimeters in the metric system. This precise conversion is important for various applications, including scientific calculations, engineering, and everyday measurements. Understanding this conversion is essential for tasks that require precise measurements, especially when working across different measurement systems. Knowing that there are 2.54 centimeters in one inch helps individuals accurately convert measurements and ensures consistency in fields that require measurement precision. The other options do not reflect the correct conversion between inches and centimeters.