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# What the cm is for?

What is the usage of the centimeters and inches? As the units of length, they are useful to measure the length obviously. Just pay attention that these units are used to measure small distances. For instance, the centimeter is not used to measure length of the route, but can be used to describe a T-shirt size. In turn, the inch is also not used to measure bigger distances. Even height is not given in inches but in feet and inches additionally! The most commonly known usage of inches is to give the measurement of diagonal screen sizes.

In everyday life, you can see some examples of 1 cm. Of course, such things are not very common, but they are. First, pay attention to your height. Why?. In the morning, you are probably about 1 centimeter taller than in the evening! In turn, there is also another body part which can be an example of 1 cm. Look at your stomach. The diameter of the belly button is about 1 cm. Check it on yourself. And the last example of 1 cm is your nails. Sure, you have read it properly! The average width of the nail is about 1 cm.

You probably know that the cm and inch are different, and it means they have different values. So what is the exact difference between these units? To know it, you need to convert both these units to one of them. This time convert inches to centimeters to have both values in cm. One centimeter is just 1 cm, there is nothing to do here. And one inch is 2.54 cm. So to see the difference, subtract 2.54 from 1 cm. So it is -1.54. So here is the answer –  1 centimeter is 1.54 smaller than 1 inch!

## Nationality of the centimeter?

First things first. There is nothing mystery in that the centimeter is a length unit. But this knowledge is too little. There is so much more to say about the centimeter. The system in which the cm is used is the metric system. You can hear about this system also called the International System of Units, in short the SI. Mainly it is used in European countries. So the centimeter is a basic small unit of length in countries like France, Germany or Italy. This unit is defined as 1/100 of a meter.

## Centimeter and inch are the same unit?

Asking if the centimeters and inches are the same units is quite common. If you read this part carefully, you will have no doubts if they are the same or not. The first thing which is common in them is that they are length units. The second is both of them are small units. And, to be honest, there is nothing more that they have in common. The cm and inch belong to other units systems. It also means that they are used in different countries. But that’s not all. Their values differ significantly. And that’s the main, most significant difference between this unit.

There is a significant difference between the inch and cm. So have a look at what the value of this difference is. Let’s check it and dispel all doubts. To know the difference between two different units, it is a need to convert them to the one unit. We are going to convert cm to inches now. So an inch is 1 inch, nothing more or less. What about a centimeter? It is 0.3937 of an inch. So to know the answer you need to subtract. To know the result, subtract the smaller number from the bigger one. So the answer is 1 inch is 0.6063 bigger than 1 centimeter.

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