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CM to Inches Converter

Last Updated : 23 Jul, 2025
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Centimeter-to-inch conversion is a simple yet essential calculation used in various fields, including construction, design, and everyday measurements.

Here is a handy conversion tool for converting centimeters (cm) to inches, helping you make accurate measurements effortlessly:

Centimeters to Inches - Conversion Factor

1 in = 2.54 cm
1 cm = (1/2.54)″ = 0.3937007874 in

So, to convert centimeters to inches, you need to multiply the length in centimeters by 0.3937.

For example, if you have a length of 10 centimeters and want to convert it to inches, then,

10 cm × 0.39370 = 3.937 inches.

This means, 10 centimeters is approximately equal to 3.93 inches.

How to Convert Centimeters to Inches

Centimeter(cm): Centimeter (cm) is the SI unit of length, It is also part of the current form of the metric system. It is defined as 1/100 meters.

Inches( in): Inch (in) is an imperial unit of length and is used in the US customary systems of measurement. 1 inch was defined to be equivalent to exactly 25.4 millimeters.

The Cm to Inches conversion formula can be accomplished using the following,

1 cm =  = 25/64 = 0.3937 in

Thus, we can say that 1 cm is approximately equal to 0.3937; by this, we define the general formula for converting cms to inches.

n cm = n × 0.3937 in

Also Check: Inches to cm Converter

Centimeters to Inches Conversion Table

The cm to inches conversion table is very useful and we can easily convert the given value in inches to cm by simply using the table.

Centimeters (cm)Inches (in)
0.1 cm0.0394 in
1 cm 0.3937 in
2 cm 0.7874 in
3 cm 1.1811 in
4 cm 1.5748 in 
5 cm 1.9685 in
10 cm3.9370 in
20 cm 7.8740 in
50 cm 19.6850 in

The table provided helps us to convert inches values to cm values. For example, convert 16 cm to inches.

We can easily calculate this by using the table, we know that,

  • 4 cm = 1.5748 in
  • 16 in = (4)×4 in
  • 16 in = 4 × 1.5748 in
  • 16 in = 6.2992 in

Solved Examples on Centimeters to Inches Conversion

Example 1: Convert 82 centimeters to inches.

Solution:

We know that,

1 cm = 0.3937 in

82 cm = 82 × 0.3937
           = 32.2835 in

Thus, 82 centimeters in inches is equal to 32.2835 in.

Example 2: Convert 21 centimeters to inches.

Solution:

We know that,

1 cm = 0.3937 in

21 cm = 21 × 0.3937
           = 8.2677 in

Thus, 21 centimeters in inches is equal to 8.2677 in.

Example 3: How many inches are in 30 cm.

Solution:

We know that,

1 cm = 0.3937 inch

Hence, 30 cm = 30 ⨯ .3937 = 11.811

Example 4: What is the length of a 90 cm rope in inches?

Solution:

We know that,

1 cm = 0.3937 inches

Length of the rope is 90 cm

Hence, the length of rope in inhes = 90 ⨯ 0.3937 inches = 35.433 inches

Convert CM to Inches

Q1: Convert 45 cm to Inch

Q2: Check if 20 cm and 7.8 inches are equal in Length?

Q3: Convert 105 cm to inch

Q4: Convert the length of a cloth in inches if its length is 150 cm.

Q5: Convert 25 cm to inches


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