Relation Between Inch and cm

To learn the relation between inch and cm of the numbers first, you need to know about the definition of the inch and cm.

Relation between inch and cm


In mathematics, the conventional system is used to measure the set of length, weight, capacity and temperature. It is based on the English measurement system. An inch can be defined as the unit of length of measurement. It is represented using the symbol, ” or it can be denoted as in.

For example, 4 inches is represented as 4” or 4 in.

When you consider one whole inch it contains two half inches and 4 quarter inches.

Inch Representation

One inch = 1

One half of an inch = 1/2

One-quarter of an inch = 1/4

One-eighth of an inch = 1/8

One-sixteenth of an inch = 1/16


In the metric system, a centimetre is used to measure the unit of length. The term centimetre is abbreviated as “cm” where one centimetre is equal to the one-hundredth of a meter.

In short,

1 centimetre = 0.01 meter = 10 millimeter = 0.3937 inches.

The relationship between inch and cm is that one inch is exactly equal to 2.54 cm in the metric system.

1” = 2.54 cm

In other words, the distance in centimetres is equal to the distance in inches times 2.54 cm.

Distance(cm)= Distance(inch) x 2.54

To convert the values from inches to centimetres, use inches to cm converter in order to find the values easily

Conversion from Cm to Inches


Inches (”)

0.0396875 cm

1/64 in

0.0793750 cm

1/32 in

0.15875 cm

1/16 in

0.3175 cm

1/ 8 in

0.635 cm

1/ 4 in

1.27 cm

1 /2 in

2.54 cm

1 in

5.08 cm

2 in

7.62 cm

3 in

10.16 cm

4 in

12.70 cm

5 in

15.24 cm

6 in

17.78 cm

7 in

20.32 cm

8 in

22.86 cm

9 in

25.40 cm

10 in

Sample Problem


A five feet tall person is 60 inches tall. Calculate how many centimetres tall is a five feet person.


We know that,

60 in = 60 in x (2.54 cm/ 1 in)

Now cancel out inches,

We get

60 in = 60 x 2.54

60 in = 152.4 cm

Therefore, a five feet person is 152.4 centimetres tall.

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