To convert 45cm to inches, you can use the following steps:
1. Know the conversion factor: 1 inch is equal to 2.54 centimeters.
2. Set up the conversion equation:
45 cm * (1 inch / 2.54 cm)
3. Solve the equation:
45 / 2.54 = 17.72 inches
Therefore, 45cm is equal to 17.72 inches.
Real-life example:
If you have a ruler that measures in centimeters and you want to know how many inches a 45cm object is, you can use the conversion factor to find out that it is approximately 17.72 inches long.
FAQs:
1. Why do we need to convert units?
Converting units allows us to easily compare measurements and work with different systems of measurement.
2. Can I convert units without knowing the conversion factor?
It is recommended to know the conversion factor to accurately convert units, but there are also online converters available for quick conversions.
3. How can I remember the conversion factors?
You can create mnemonic devices or practice using the conversion factors regularly to help remember them.