To convert 1.63 centimeter to inch, multiply 1.63 by the conversion factor 0.393701. The calculation is 1.63 x 0.393701 = 0.641732. So, 1.63 centimeter is approximately 0.6417 inch.

1.63 centimeter equals exactly 0.641732 inch. For practical purposes, this is often rounded to 0.6417 inch.

Objects measuring approximately 1.63 centimeter include the diameter of a Euro 1 cent coin (1.625 cm), the diameter of a CR1632 button battery (1.6 cm), or the width of a standard Micro SD card (1.5 cm).

Converting centimeter to inch is useful for international communication, particularly when dealing with specifications from countries primarily using the imperial system (like the United States). It is essential in manufacturing, construction, and retail for ensuring compatibility and understanding product dimensions across different regional standards.

A simple memory aid is to remember that 1 centimeter is roughly 0.4 inch. For 1.63 centimeter, you can quickly estimate it as 1.63 x 0.4, which is about 0.65 inch. For precision, always use a calculator with the full conversion factor of 0.393701.