To convert 15cm 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:
15 cm * (1 inch / 2.54 cm)
3. Solve the equation:
15 / 2.54 = 5.91 inches
Therefore, 15cm is equal to 5.91 inches.
Real-life example:
If you have a ruler that measures in centimeters and you want to know how many inches a 15cm length is, you can use the conversion factor to find out that it is approximately 5.91 inches long.
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.
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 a cheat sheet or use mnemonic devices to help remember common conversion factors. Practice also helps in memorizing them.