Online Conversion, Formula And History of Centimeter To Inches

1 Centimeter is equal to 0.39 Inch

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Measurement is an important part of our everyday life. Be it measuring milk or measuring heights, everything needs measurement. However, linear measurement is different from liquid measurement units. Therefore, it is crucial to know the concepts of measurement like Centimeter to Inches (cm to inches). Both these units are the fundamental units of measurement around the world. It is also very easy to convert cm to inches.

In this blog, Square Yards takes you through the fundamentals of the cm to inches converter formula, steps, examples, history, origin, cm to inch current uses and more. 

Overview of Centimeters

Centimeter is a unit of the Metric System of Measurement. It is 1/100th of meters which is the most fundamental unit for measurement. A centimeter is a unit used for linear measurement. It is also a unit of the International System of Units (SI System) and is abbreviated as ‘cm’. The unit is currently used in countries that have adopted the metric system for linear measurement. 

  • History of Centimeters

The Latin term centum, which means “hundred,” and the French meter are combined to get the French centimeter, from which the English word centimeter is derived. There are one hundred centimeters in a meter, hence a centimeter is one-tenth of a meter. This term is spelt centimeter outside the United States in almost every other country.

The chance to explore the commonly debated proposal of replacing the bewildering array of thousands of conventional units of measure with a logical system based on multiples of 10 was presented by the French Revolution of 1789. The disorganised state of French weights and measures was addressed by the French Academy of Sciences in response to a request from the French National Assembly in 1791. To ensure immutability, it was agreed that the new system would be built upon a natural physical unit.

The length of a quadrant of a great circle of Earth, as measured around the poles of the meridian passing through Paris, was chosen by the academy as the length. The arc of the meridian from Barcelona, Spain, to Dunkirk, France, was measured over the course of a laborious six-year survey led by luminaries like Jean Delambre, Jacques-Dominique Cassini, Pierre Mechain, Adrien-Marie Legendre, and others. The result was a value of 39.37008 inches, which led to the creation of the new unit known as the meter, from the Greek metron, meaning “measure.”

The metric system produced derivative systems throughout the 20th century that were required in technology and science to express physical qualities more than simple length, weight, and volume. Prior to the creation of the International System of Units in 1960, the main systems utilised were the centimeter-gram-second (CGS) and meter-kilogram-second (MKS) systems. many people regard Gabriel Mouton, a church vicar in Lyons, France, as the metric system’s founder. French scientists spent years perfecting the decimal method of measuring that Mouton introduced in 1670.

Overview of Inches

Inches is a unit of measurement in the Imperial and American Measurement Systems. In 1959, an inch was defined as 25.4 millimeters. Inch is a unit of linear measurement and is abbreviated as ‘in’ or simply denoted by “.

  • History of Inches

Inches is 1/36 of a yard in British Imperial and American Customary measurement systems. The Latin unit uncia, which was “one-twelfth” of a Roman foot, or pes, was the ancestor of the modern unit, which is derived from the Old English ince, or ynce. (The name of another English unit, the ounce, is derived from the Latin word uncia.) Around 1150, King David I of Scotland gave the definition of the ancient English ynce as the width of a man’s thumb at the base of the nail. The measure was often calculated by adding the thumb-breadths of three men—one little, one medium, and one large—and then the result was divided by three in order to ensure uniformity in the unit.

The inch was defined as “three dry, spherical grains of barley set end to end lengthwise” during the early 14th century under King Edward II. The lengths of 12 poppy seeds together have also been used at various periods to define one inch. Since 1959, 2.54 cm has been the official definition of an inch.

Centimeters vs Inches: What’s the Difference?

Both CM to Inches are the unit of linear measurement. However, there are some differences that you must be aware of. The difference between centimeter to inches is mentioned in the table.



Centimeter is a unit used in the Metric System of measurement. 

An inch is a linear unit used in the American System of measurement. 

A centimeter is denoted by ‘CM’ or ‘cm’.

An inch is denoted by ‘in’ or “

1 CM to Inches is equal to 0.393701 inches. 

1 Inch in CM is equal to 2.54 centimeters.

Current Uses of Centimeters and Inches

The inch and centimeter units of linear measurement are widely used around the world. The current uses of both units are mentioned below.

  • Current use of Centimeters

A centimeter is a metric unit just like the meter, which is widely used in the countries that adopted this system like India, etc. It is used for measuring heights (excluding the United States), small distances, construction, and many more things. 

  • Current use of Inches

Inch is a measurement unit used in the United States of America, the United Kingdom, and Canada. This unit is sometimes used in Japan, such as for measuring screen sizes. 

How Do I Convert CM to Inches?

By using the right cm to inches converter method and formula, one can do the calculation. The formula is widely used in schools and companies to complete the conversion. The convert cm to inches formula is mentioned below. 

Formula For Converting CM To Inches

The cm to inches formula is quite easy and can be easily used for calculation. This method is used worldwide for the calculation of the first unit to another. 

According to the cm to inches formula,

1 cm = 0.393714 inches

Therefore the formula will be, 

Value in cm = (value in cm x 0.393714) inches

CM To Inches Examples

  • 100 CM to inches
    100 x 0.393701 inches
    So, 100 cm to inches = 39.3702 inches
  • 90 CM to inches
    90 x 0.393701 inches
    So, 90 cm to inches = 35.4331 inches
  • 32 CM to inches
    32 x 0.393701 inches
    So, 32 cm to inches = 12.5984 inches
  • 40 CM to inches
    40 x 0.393701 inches
    So, 40 cm to inches = 15.748 inches
  • 10 CM to inches
    10 x 0.393701 inches
    So, 10 cm to inches = 3.93701 inches

Centimeter To Inches Conversion Table

The cm to inches converter helps in calculating the value. To make it easy, some of the values are listed here. In this conversion table, you can find the value from 1 cm to 20 cm in inches.

1 centimeter (cm) equals to 0.3937 inches

11 Centimeter (cm) 4.3307 inches

2 centimeters (cm) 0.7874 inches

12 centimeters (cm) 4.7244 inches

3 centimeters (cm) 1.1811 inches

13 centimeters (cm) 5.1181 inches

4 centimeters (cm) 1.5748 inches

14 centimeters (cm) 5.5118 inches

5 centimeters (cm) 1.9685 inches

15 centimeters (cm) 5.9055 inches

6 centimeters (cm) 2.3622 inches

16 centimeters (cm) 6.2992 inches

7 centimeters (cm) 2.7559 inches

17 centimeters (cm) 6.6929 inches

8 centimeters (cm) 3.1496 inches

18 centimeters (cm) 7.0866 inches

9 centimeters (cm) 3.5433 inches

19 centimeters (cm) 7.4803 inches

10 centimeters (cm) 3.937 inches

20 centimeters (cm) 7.874 inches

Value of 1 Centimeter in Other Units

1 Centimeter (cm)

0.00000000000000001 Petameters

1 Centimeter (cm)

0.00000000000001 Terameters

1 Centimeter (cm)

0.00000000001 Gigameters

1 Centimeter (cm)

0.00000001 Megameters

1 Centimeter (cm)

0.00001 Kilometers

1 Centimeter (cm)

0.0001 Hectometers

1 Centimeter (cm)

0.001 Decameters

1 Centimeter (cm)

0.01 Meters

1 Centimeter (cm)

0.1 Decimeters

1 Centimeter (cm)

10 Millimeters

1 Centimeter (cm)

10000 Micrometers

1 Centimeter (cm)

10000000 Nanometers

1 Centimeter (cm)

10000000000 Picometers

1 Centimeter (cm)

10000000000000 Femtometers

1 Centimeter (cm)

0.39370079 US Customary Inches

1 Centimeter (cm)

0.03280840 US Customary Feet

1 Centimeter (cm)

0.01093613 US Customary Yard

1 Centimeter (cm)

0.00000621 US Customary Miles

1 Centimeter (cm)

0.04970970 US Survey Links

1 Centimeter (cm)

0.03280833 US Survey Feet

1 Centimeter (cm)

0.00198839 US Survey Rods

1 Centimeter (cm)

0.00049710 US Survey Chains

1 Centimeter (cm)

0.00004971 US Survey Furlongs

1 Centimeter (cm)

0.00000621 US Survey Miles

1 Centimeter (cm)

0.00000207 US Survey Leagues

1 Centimeter (cm)

0.00546807 US Nautical Fathoms

1 Centimeter (cm)

0.00004557 US Nautical Cables

1 Centimeter (cm)

0.00000540 US Nautical Miles

Some More Useful Article for You : 

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Gallons To Liters

Conversion of  Inches To Meters

Inches To Meters

Conversion of  Cent To Square Feet

Cent To Square Feet

Conversion of Hectare To Bigha

Hectare To Bigha

Frequently Asked Question (FAQs)

How many Inches in CM?

In 1 CM, there are 0.393701 inches.

How many CM in Inches?

2.54 centimeters are there in 1 inch.

In which countries are the following units, centimeters and inches used?

United Kingdom, Canada, and the United States use inches for linear measurement. The rest of the world like India, China, South Korea and more used centimeters for linear measurement.

How to calculate Centimeter to Inch (CM to inches)?

To convert cm to inches, simply multiply the value of 1 centimeter by inches by the number in centimeters. For example, 1 cm = 0.393701 inches, so 3 cm = 3 x 0.393701 in = 1.1811 in.

What is the formula for converting Centimeter to Inch?

The cm to inches converter formula is equal to (value in centimeters x 0.393701) inches.

What are the current uses of Centimeter and Inch?

Both centimeters and inches are used for linear measurements like measuring heights, length, road length, and many more.

Bhavya Mishra Bhavya is a writer who likes all facets of writing. One day at a time, she strives to realise her creative ambitions. She writes during the day and reads at night. Every other week, you can catch her exploring and being obsessed with new things to keep her wanderlust alive.
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