To convert 20 cm to inches, you can use the following formula:
1 inch = 2.54 cm
So, to convert 20 cm to inches, you would divide 20 by 2.54:
20 cm / 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 want to know how many inches a 20 cm length is. By using the conversion factor of 1 inch = 2.54 cm, you can easily calculate that 20 cm is equal to 7.87 inches.
FAQs:
1. Why do we need to convert units?
Converting units allows us to easily compare and work with different measurements. It helps in making calculations and understanding measurements in a more familiar or convenient unit.
2. Can I convert any unit to another unit using the same method?
No, the conversion factor will vary depending on the units you are converting. It is important to know the specific conversion factor for the units you are working with.
3. Is there a quick way to convert units without using a formula?
There are online converters and apps available that can quickly convert units for you. However, it is always helpful to understand the formula and process behind the conversion for better understanding.