To convert inches to centimeters, you can use the following formula:
1 inch = 2.54 centimeters
So to convert 18 inches to centimeters, you would multiply 18 by 2.54:
18 inches * 2.54 cm/inch = 45.72 cm
Therefore, 18 inches is equal to 45.72 centimeters.
Real-life example:
Let’s say you have a piece of wood that is 18 inches long and you want to know how long it is in centimeters. By using the conversion factor of 2.54 cm/inch, you can calculate that the piece of wood is 45.72 centimeters long.
FAQs:
1. How do I convert inches to centimeters?
To convert inches to centimeters, you can use the formula 1 inch = 2.54 centimeters and multiply the number of inches by 2.54.
2. Why do we use 2.54 as the conversion factor for inches to centimeters?
The conversion factor of 2.54 comes from the definition of an inch, which is equal to 2.54 centimeters. This conversion factor allows us to easily convert between the two units.
3. Can I use a calculator to convert inches to centimeters?
Yes, you can use a calculator to multiply the number of inches by 2.54 to quickly convert inches to centimeters.