To convert 1.2 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 is to 2.54 cm as x inches is to 1.2 cm.
3. Cross multiply and solve for x: 1 * 1.2 = 2.54 * x
4. Divide both sides by 2.54 to solve for x: x = 1.2 / 2.54 ≈ 0.4724 inches
Therefore, 1.2 cm is approximately equal to 0.4724 inches.
Real-life example:
If you have a ruler that measures in centimeters and you want to know how many inches a 1.2 cm object is, you can use the conversion factor to quickly determine that it is approximately 0.4724 inches long.
FAQs:
1. Why do we need to convert units?
Converting units allows us to easily compare and work with measurements in different systems. It helps in making calculations and understanding measurements in a more familiar unit.
2. Can I convert units without knowing the conversion factor?
It is possible to convert units without knowing the exact conversion factor, but having the conversion factor makes the process much simpler and more accurate.
3. Is there a quick way to convert units without using a calculator?
You can use approximate conversion factors or conversion tables to quickly estimate conversions without a calculator. However, for precise conversions, it is recommended to use the exact conversion factor and a calculator.