To convert inches to centimeters, you can use the following formula:
1 inch = 2.54 centimeters
So, to convert 90 inches to centimeters, you would multiply 90 by 2.54:
90 inches * 2.54 centimeters/inch = 228.6 centimeters
Therefore, 90 inches is equal to 228.6 centimeters.
Real-life example:
Let’s say you have a TV that measures 90 inches diagonally. To determine the size in centimeters, you would multiply 90 by 2.54 to get 228.6 centimeters. This would give you a better idea of the actual size of the TV in a unit that is more commonly used in your region.
FAQs:
1. Why do we need to convert units?
Converting units allows us to compare measurements in different systems and make calculations more easily. It also helps in understanding the size or quantity of something in a more familiar unit.
2. Can I use a calculator to convert units?
Yes, you can use a calculator to perform the multiplication needed for unit conversion. Just make sure to input the correct conversion factor to get the accurate result.
3. Is there a shortcut for converting inches to centimeters?
One common shortcut is to remember that 1 inch is approximately equal to 2.54 centimeters. This can help you quickly estimate the conversion without needing to perform the exact calculation every time.