Every person in life has a large variety of screens. Mobile phones, tablets, televisions, monitors, laptops - everywhere there are screens, which, in this case, are measured in inches.
However, for many people, this dimension isproblematic, because everyone is accustomed to counting distances in centimeters. And what is 1 inch? How to understand what will be the diagonal of the TV at 44 inches? These questions torment many, so it's time to find answers to them. After reading this article, you will no longer think, looking at the 7-inch diagonal: “How many centimeters?” - you can calculate everything yourself.
What is an inch?
Итак, перед вами, например, диагональ 7 дюймов.How many centimeters? It is very easy to answer this question if you know what an inch is equal to. A little later, you will learn much more information about why this measure of length arose. Now it’s more important to just answer the basic question.
If you need to translate the distance or length ofinches to more familiar centimeters, then you should remember that one inch equals 2.54 centimeters. Thus, for example, you want to buy a tablet with a 7-inch diagonal. How many centimeters will be the diagonal? Having made a simple mathematical operation, you can easily recognize that it is 17.78 centimeters.
Origin of the term
Naturally, now everyone wants to knowwhere did this measure of length come from. There are a large number of different versions, but the most basic and plausible is the one according to which the width of the thumb of an adult man was considered to be per inch. This theory is confirmed by the fact that duim is translated from the Dutch language as a “thumb”.
However, there are different stories aboutas a similar measure of length began to be used in various countries. The inch represents 1/36 yard, which, in turn, was recognized as the official measure of length - from the tip of the nose to the thumb of the outstretched hand of King Henry the First. There was also a legal inch, the length of which was equal to the length of three barley grains. In general, the options are many, but most of them are somehow connected with the thumb.
What is measured in inches
Accordingly, the inches were slightly different ineach country, and in some there were several national inches. To date, the standard adopted English in. Used in the United States. So now, at the sight of the fact that the screen has a 7-inch diagonal, “How many centimeters?” Is not the question that you will ask, since you already know the answer.
All equipment is measured in such inches - inIn most cases, these are screens, but there may also be, for example, floppy disks. But in other areas also sometimes used inches around the world - for example, when measuring the diagonal of car drives.