Convert 18 cm to inches.

Convert 18 cm to inches.

Final Answer:

18 centimeters is approximately 7.09 inches when converted using the factor that 1 centimeter equals about 0.393701 inches. To perform the conversion, multiply 18 by this factor. It’s important to understand both metric and imperial systems for accurate measurements.

Explanation:

To convert 18 centimeters (cm) to inches (in), we can use the conversion factor: 1 centimeter is equal to approximately 0.393701 inches. This means that to find out how many inches are in 18 centimeters, we multiply 18 by this conversion factor.

Here’s the calculation:

18 cm×0.393701 in/cm≈7.08661417 in

Thus, 18 centimeters is approximately 7.09 inches when rounded to two decimal places.

It’s useful to know that centimeters are part of the metric system, which is used in most countries, while inches are part of the imperial system, used mainly in the United States. Understanding these units and how to convert between them is important for various applications in science, daily life, and many technical fields.

Examples & Evidence:

For example, if you need to convert 30 cm to inches, you would calculate 30 cm×0.393701 in/cm≈11.811 in. Similarly, converting 50 cm would yield approximately 19.685 in by applying the same method.

This conversion uses the universally accepted factor of 1 cm being approximately 0.393701 in, which is confirmed by standard measurement resources.

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