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. Determine the number of centimeters you want to convert.
2. Multiply the number of centimeters by 0.393701 to get the equivalent number of inches.
For example, let’s say you have 20 cm that you want to convert to inches:
20 cm x 0.393701 = 7.87402 inches
Therefore, 20 centimeters is equal to 7.87402 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 compare and work with different systems of measurement easily. It is especially useful when dealing with international measurements or when using different tools that use different units.