Step 1:

To convert centimeters to inches, use the conversion factor: 

\(1 \text { cm} = 0.393701 \text { inches} \): 
 

Step 2:

Multiply:

\[20 \text { cm} \times 0.393701 \text { inches/cm} \approx 7.87 \text { inches} \]
 

Step 3:

Therefore, 20 cm is approximately 7.87 inches.

Supplemental Knowledge:

To convert centimeters to inches, you need to use the conversion factor: 
1 centimeter = 0.393701 inches.

Theory in Practice:

Understanding length conversions is invaluable when undertaking home improvement projects, traveling abroad or shopping online for items utilizing different measurements systems - such as when purchasing furniture online from countries using metric measurements - since being aware of how they function allows you to ensure everything fits seamlessly in your space.

Need more help with conversions or other mathematical calculations? UpStudy’s Length Conversion Calculator makes it easy to switch between different units! With UpStudy’s tools and expert guidance, mastering conversions becomes simple and intuitive. Explore our calculators today to enhance your learning experience!