To convert 90cm to inches, you can use the following formula:
1 inch = 2.54 cm
So, to convert 90cm to inches, you would divide 90 by 2.54:
90 cm รท 2.54 = 35.43 inches
Therefore, 90cm is equal to 35.43 inches.
Real-life example:
Let’s say you have a piece of fabric that is 90cm long and you want to know how many inches that is. By using the conversion factor of 1 inch = 2.54 cm, you can calculate that the fabric is approximately 35.43 inches long.
FAQs:
1. Why do we need to convert units?
Converting units allows us to easily compare and work with different measurements. It helps us to communicate measurements in a standardized way.
2. Can I convert units without using a conversion factor?
No, using a conversion factor is essential for accurately converting units. It ensures that the conversion is done correctly and consistently.
3. Is there a simple way to remember conversion factors?
One common mnemonic to remember the conversion factor between inches and centimeters is “2.54”. This represents the number of centimeters in an inch.