To convert centimeters to inches, you can use the following formula:
1 inch = 2.54 centimeters
So, to convert 20 cm to inches, you would divide 20 by 2.54:
20 cm รท 2.54 = 7.87 inches
Therefore, 20 cm is equal to 7.87 inches.
Real-life example:
Let’s say you have a ruler that measures in centimeters, and you need to know how many inches a 30 cm object is. By using the conversion formula, you can calculate that 30 cm is equal to 11.81 inches.
FAQs:
1. Why do we need to convert units?
Converting units allows us to easily compare measurements in different systems and use them in various calculations.
2. Can I convert inches to centimeters using the same formula?
Yes, you can convert inches to centimeters by multiplying the number of inches by 2.54.
3. Is there a shortcut to convert centimeters to inches?
You can also use the following shortcut: divide the number of centimeters by 2.54 to get the equivalent number of inches.