All-in-one unit converter calculator

Please, choose a physical quantity, two units, then type a value in any of the boxes above.

What is and How to Convert 18 CM to Inches Free Conversion

What is 18 cm to inches?

18 cm to inches is multiplying the value in centimeters (cm) by the conversion factor 0.393701. So, 18 centimeters (cm) = 18×0.393701 = 7.08661 inches.

18 Centimeter (cm) equals 7.08661 Inch (in)

The 18 cm to inches converter is a length converter from one unit to another. One centimeter is approximately 0.3937 inches.

The units of length must be converted from centimeters to inches. The 18 cm to inches is the most basic unit conversion you will learn in elementary school. This is one of the most common operations in a wide variety of mathematical applications.

This article explains how to convert 18 cm to inches and use the tool for converting one unit from another, as well as the relationship between centimeters and inches with detailed explanations.

Definition: centimeter

A centimeter (American spelling centimeter, symbol cm) is a unit of length equal to one hundredth of a meter, the current base unit for SI length. Centimeters are part of the metric system.

This is the base unit in the centimeter-gram-second system of units. A suitable unit of area is square centimeters. The appropriate unit of volume is the cubic centimeter.

The centimeter is already a non-standard factor, since a factor of 103 is often preferred. However, it is a suitable unit of length for many everyday measurements. One centimeter is approximately the width of an adult’s nail.

Definition: inches

18 cm to inches
The inch is the name of the unit of measure in a number of different systems, including the imperial and common units in the United States. There are 36 inches in the yard and 12 inches in the feet.

The inch is usually the universal unit of measurement in the United States and is used widely in Great Britain and Canada, although metrics were introduced for the latter two in the 1960s and 1970s.

Customs is still used informally in other British Commonwealth countries such as Australia, albeit to a lesser extent.

One example is the long tradition of measuring newborns in inches, not centimeters. International inches are 25.4 millimeters.

Why change the length from 18 cm to inches to inches?

A centimeter (or centimeter) is a unit of length. It is one hundredth of a meter. However, the United States uses a common unit of length. Imperial units are used in the same way in Great Britain.

The common Imperial or US unit of measurement for length (or distance) is inches. If you have information about length in centimeters; and you need the same number in equivalent inch units, you can use this converter.

The relationship between inches and cm

To convert 18 centimeters to inches or inches to centimeters, the relationship between inches and centimeters is that one inch in the metric system is exactly 2.54 centimeters.

1 inch = 2.54 cm


1 cm = 1 / 2.54 inch

To convert centimeters to inches, we need to divide the value in centimeters by 2.54.

If the unit length is 1 cm, the corresponding length in inches is 1 cm = 0.393701 inches

How many inches is 18cm

Convert 18 cm (centimeters) to inches (in)

With this length converter we can easily convert cm to inches like 10 cm to inches, 16 cm to inches, 18 cm to inches, 18cm in inches etc.

Since we know that a centimeter is approximately 0.393701 inches, the conversion from one centimeter to inches is easy. To convert centimeters to inches, multiply the centimeter value given by 0.393701.

For example, to convert 10 centimeters to inches, multiply 10 centimeters by 0.393701 to get the value per inch.

(i.e.) 10 x 0.393701 = 3.93701 inches.

Therefore, 10 centimeters is equal to 3.93701 inches.

Now consider another example: 18cm in inches is converted as follows:

How do I convert 18 cm to inches?

To convert 18 cm to in, simply take the actual measurement in cm and multiply this number by 2. 1954. So you can convert how many inches is 18 cm manually.

You can also easily convert centimeters to inches using the following centimeters to inches conversion:

How many inches is 18 cm

As we know, 1 cm = 0.393701 inches

What is 18 cm in inches

In this way, 18 centimeters can be converted to inches by multiplying 18 by 0.393701 inches.

(i.e.) 18 cm to one inch = 18 x 0.393701 inches

18 cm = inches = 31.49608 inches

18 cm is how many inches

Therefore, 18 cm is how many inches 18 cm is equal to 11,811 inches.

Example of converting centimeters to inches

The following examples will help you understand how to convert centimeters to inches.

Example 1:

Convert 5 cm to inches


We know that 1 cm is approximately 0.393701 inches.

To convert 5 centimeters to inches, multiply 5 centimeters by 0.393701 inches.

= 5 x 0.393701 inches

= 1.9855 inches

Therefore, 5 cm is equal to 1.9685 inches.

Example 2:

Convert 20 cm to inches

We know that 1 cm = 0.393701 inches.

To convert 20 centimeters to inches, multiply 20 centimeters by 0.393701 inches.

= 20 x 0.393701 inches

= 7.87402 inches

Therefore, 20 cm is equal to 7.874 inches.

Example 3:

Convert 18 cm to inches


We know that 1 cm = 0.393701 inches.

To convert 18 centimeters to inches, multiply 18 centimeters by 0.393701 inches.

= 18 x 0.393701 inches

= 7.086618 inches

Therefore, 18 cm is equal to 7.086618 inches.


  • 12 cm to inch: 12 x 0.3937 = 4.7244
  • 15 cm to inch: 15 x 0.393701 = 5.90551
  • 40 cm to inch: 40 x 0.3937 = 15.748
  • 50 cm to inch: 50 x 0.3937 = 19.685


It’s important to know that there are several different ways to convert centimeters to inches. These possibilities may vary depending on compatibility and the type desired.

However, if you want convenience and range, then you can choose the converter mentioned in this article.

This converter is a quick and easy way to convert between centimeters (cm) and inches (inches). This converter allows you to view results in parts per inch.