Convert 21 centimeters to incheses

Conversion from centimeters to inches is one of the most common conversions, and it can be achieved using the cm-to-inches converter above.

How do we convert centimeters to inches?

One centimeter is, by definition, equal to (1 / 2.54)″ = 0.3937007874″. The symbol ″ represents inches.

So, when converting centimeters to inches, you should multiply the length or height in cm by 0.3937007874, or approximately 0.3937.

For instance, if you have a length of 21 centimeters and want to convert it to inches, then,

21 cm × 0.3937 = 8.2677 inches.

Thus, this implies that 21 centimeters is equivalent to about 8.27 inches.

How do we convert inches to centimeters?

To convert inches to centimeters, simply multiply the length, height, or width in inches by 2.54.. For instance, if you have something 21 inches wide, you can find the width in centimeters by multiplying 21 by 2.54, which gives you 53.34 centimeters.

Centimeter to inches formula and conversion factor

To calculate a centimeter value to the corresponding inch value, just multiply the quantity in centimeters by 0.39370078740157 (the conversion factor).

Centimeter to inches formulae

The factor 0.39370078740157 results from the division 1/2.54 (inch definition). So, a better formula is

Example problems on centimeters into inches conversion

Example 1: Convert 42 centimeters into inches.

Solution:

Given that,

1 cm = 0.3937 in

42 cm = 42 × 0.3937
 = 42 cm = 42 × 0.3937
 = 16.5354 in

Thus, 42 centimeters in inches is equal to 42 cm = 42 × 0.3937
 = 16.5354 in.

Example 2: Transform 21 centimeters into inches.

Solution:

Given that,

1 cm = 0.3937 in

21 cm = 21 × 0.3937
 = 21 cm = 21 × 0.3937
 = 8.2677 in

Thus, 21 centimeters in inches is equal to 21 cm = 21 × 0.3937
 = 8.2677 in.

Example 3: Transform 105 centimeters into inches.

Solution:

Given that,

1 cm = 0.3937 in

105 cm = 105 × 0.3937
 = 105 cm = 105 × 0.3937
 = 41.3385 in

Thus, 105 centimeters in inches is equal to 105 cm = 105 × 0.3937
 = 41.3385 in.