To convert inches to centimeters, you can use the following formula:
1 inch = 2.54 centimeters
So, to convert 15 inches to centimeters, you would multiply 15 by 2.54:
15 inches * 2.54 cm/inch = 38.1 cm
Therefore, 15 inches is equal to 38.1 centimeters.
Real-life example:
Let’s say you have a ruler that measures in inches, and you want to know how long a 15-inch object is in centimeters. By using the conversion factor of 2.54 cm/inch, you can easily calculate that the object is 38.1 centimeters long.
FAQs:
1. Why do we need to convert units?
Converting units allows us to easily compare and work with measurements in different systems. It helps us communicate measurements accurately and efficiently.
2. Can I convert units without using a conversion factor?
While it is possible to convert units without using a conversion factor, using a conversion factor ensures accuracy and consistency in your calculations.
3. Is there a simple way to remember the conversion between inches and centimeters?
One common mnemonic to remember the conversion is “2.54 centimeters in an inch, that’s the rule that’s never been pinched.” This can help you recall that 1 inch is equal to 2.54 centimeters.