cm to inches (Centimeters to Inches)

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Cm to inches Converter

 

Abbreviations commonly used when discussing centimeters and inches:

  • Centimeters -cm
  • Meters – m
  • Inches – “
  • Feet – ‘

Centimeters are a metric unit commonly used to measure small distances. To give some idea of size, a credit card is approx. 8.5 cm * 5.5cm or 3 1/3rd” * 2 1/8th”.

In the metric system, centi always indicates 1/100th, so a centimeter is 1/100th of a meter.

This number system is a bit easier to grasp than inches and feet, where an inch is 1/12th of a foot.

To convert cm to inches:

Multiply your centimeters value by 0.39370

 

Quick and easy cm to inches conversion:

You can get a pretty accurate answer by multiplying centimeters by four, then dividing by ten.
For instance, if you have 1cm, 1cm*4 = 4, 4/10 = .4inches
The actual answer is 0.3937008inches, so this rule of thumb is only .6% away from the real answer – close enough for most purposes.

 

Centimeters to Inches formula

in = cm * 0.39370

Popular cm to inches conversions from this site:

  • 1cm in inches – 0.3937008in
  • 30cm in inches – 11.81102in = approx. 1 foot (1 ft = 12″)

 

Difference between Centimeters and Inches

Both centimeters and inches are units of length, with comparable magnitude so their application is also similar. However, the inch is a much older metric – invented some time in 7-th century with a first official definition recorded in the year 1324.

It is nowadays used in countries that were part of the former British Empire: USA, UK, Canada, and Japan, which adopted it after WWII.

A person living outside of those countries will most likely encounter inches when dealing with electronic devices like monitors and displays, including laptop displays and smartphone displays.

The centimeter is a modern metric, defined as 1/100 of a meter, which in turn is the base unit of the metric system.

Initially the meter was defined using a steel bar, but was later defined more precisely in terms of the distance light covers in vacuum in a very, very small amount of time.

It is used in most sciences, engineering, architecture, construction, and others.

Human height, as well as other body measurements are usually expressed in centimeters in medical literature.

 

Centimeters to Inches table

cm to in conversion table
cm in
1 cm 0.393701 in
2 cm 0.787402 in
3 cm 1.181102 in
4 cm 1.574803 in
5 cm 1.968504 in
6 cm 2.362205 in
7 cm 2.755906 in
8 cm 3.149606 in
9 cm 3.543307 in
10 cm 3.937008 in
20 cm 7.874016 in
30 cm 11.811024 in
40 cm 15.748031 in
50 cm 19.685039 in
60 cm 23.622047 in
70 cm 27.559055 in
80 cm 31.496063 in
90 cm 35.433071 in
100 cm 39.370079 in
200 cm 78.740157 in
300 cm 118.110236 in
400 cm 157.480315 in
500 cm 196.850394 in
600 cm 236.220472 in
700 cm 275.590551 in
800 cm 314.960630 in
900 cm 354.330709 in
1,000 cm 393.700787 in

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