To convert 10 cm to inches, you can use the following steps:
1. Know the conversion factor: 1 inch is equal to 2.54 cm.
2. Set up a proportion: 1 inch / 2.54 cm = x inches / 10 cm.
3. Cross multiply and solve for x: x = (1 inch * 10 cm) / 2.54 cm = 3.937 inches.
Therefore, 10 cm is equal to 3.937 inches.
Real-life example:
If you have a ruler that measures in centimeters and you want to know how many inches a 10 cm length is, you can use the conversion factor to find out that it is approximately 3.937 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 different contexts. For example, if you have a recipe that uses metric units but you are more familiar with imperial units, converting the measurements can help you follow the recipe accurately.
2. Can I convert units without knowing the conversion factor?
While it is possible to convert units without knowing the exact conversion factor, it is much easier and more accurate to use the conversion factor to ensure the correct conversion.
3. Is there a simple way to remember common conversion factors?
One common mnemonic to remember the conversion factor between inches and centimeters is “2.54 cm in an inch.” This can help you quickly recall the conversion factor when needed.