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5 x 21 inches in centimeters | 5 in × 21 in to cm

Length and area calculator

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Short answer

Detailed answer

  • Note 1: In all calculations above, we used 2.54 as the conversion factor to transform each length from inches to cm.
  • Note 2: The results above may be approximate because, in some cases, we rounded to three significant figures.

Sample rectangles or squares conversions from inches to centmeters