To convert 3.5 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 / 3.5 cm
3. Cross multiply and solve for x:
2.54 * x = 1 * 3.5
x = 3.5 / 2.54
x ≈ 1.38 inches
Therefore, 3.5 cm is approximately equal to 1.38 inches.
Real-life example:
If you have a ruler that measures in centimeters and you want to know how many inches a 3.5 cm object is, you can use the above steps to convert the measurement. This can be helpful when you need to compare measurements in different units or if you are working on a project that requires conversions between centimeters and inches.
FAQs:
1. Why do we need to convert units?
Converting units allows us to compare measurements in different systems and make calculations more easily. It is important in fields such as science, engineering, and everyday life where different units are commonly used.
2. Can I use an online converter instead of doing the calculation manually?
Yes, there are many online converters available that can quickly and accurately convert units for you. However, understanding the conversion process can be helpful in case you need to do it without internet access or for educational purposes.
3. Is the conversion factor between centimeters and inches always 2.54?
Yes, the conversion factor between centimeters and inches is always 2.54. This is a constant value that is used universally for converting between the two units.