To convert 20.5 centimeter to inch, multiply by the conversion factor 0.393701. So, 20.5 cm x 0.393701 = 8.070866 inches. For practical purposes, this is often rounded to 8.0709 inch.

20.5 centimeter equals exactly 8.07086605 inch. For most applications, 8.0709 inch is used.

Objects measuring approximately 20.5 centimeter include an 8-inch tablet screen diagonal (approx. 20.3 cm), a standard 8-inch adjustable wrench (approx. 20.3 cm), and a typical television remote control (approx. 20.5 cm).

Converting centimeter to inch is useful for international collaboration in engineering and manufacturing, adapting designs for markets using imperial units, and understanding product specifications in regions like the United States where inches are standard for many consumer goods and construction projects.

A simple way is to remember that 1 centimeter is roughly 0.4 inches. So, 20.5 cm is approximately 20.5 x 0.4 = 8.2 inches. For precision, remember the exact factor 0.393701. Visualizing an 8-inch tablet or wrench can also serve as a helpful reference.