To convert centimeters (cm) to inches, you can use the following formula:
1 cm = 0.393701 inches
Here’s a step-by-step guide on how to convert cm to inches:
1. Multiply the number of centimeters by 0.393701 to get the equivalent number of inches.
2. For example, if you have 20 cm, the calculation would be: 20 cm x 0.393701 = 7.87402 inches.
Real-life example:
If you have a pencil that is 15 cm long, you can convert it to inches by multiplying 15 cm by 0.393701, which equals 5.90551 inches.
FAQs:
1. How do I convert cm to inches without a calculator?
You can use the conversion factor of 1 cm = 0.393701 inches and multiply the number of centimeters by this factor to get the equivalent number of inches.
2. Can I convert inches to cm using the same formula?
No, to convert inches to centimeters, you would use the formula: 1 inch = 2.54 cm.
3. Why do we need to convert units of measurement?
Converting units of measurement allows us to easily compare and work with different systems of measurement. It is especially useful when dealing with international measurements or when working with different units in the same calculation.