Every person in life has a large number of different screens. Mobile phones, tablets, televisions, monitors, laptops - there are screens everywhere, which, in this case, are measured in inches.
However, for many people, this measurement is problematic because everyone is used to counting distances in centimeters. And what is 1 inch? How to understand what the diagonal of the TV will be at 44 inches? These questions torment many, so the time has come to find answers to them. After reading this article, you will no longer think, looking at the diagonal of 7 inches: "How many in centimeters?" - You can calculate everything yourself.
What is an inch?
So, in front of you, for example, is a diagonal of 7 inches. How many in centimeters? Answering this question is very easy if you know what an inch is. 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 a distance or length from inches to more familiar centimeters, then you should remember that one inch equals 2.54 centimeters. Thus, for example, you want to purchase a tablet with a diagonal of 7 inches. How many centimeters will the diagonal be? Having performed a simple mathematical action, you can easily find out that it is 17.78 centimeters.
Origin of the term
Naturally, now everyone wants to know where such a measure of length came from. There are a large number of different versions, but the most basic and believable one looks according to which the width of the thumb of an adult man was considered to be an inch. This theory is confirmed even by the fact that from the Dutch language duim translates as “thumb”.
However, there are different stories about how a similar measure of length began to be used in different countries. An inch is 1/36 yards, which in turn was recognized as an official measure of length - from the tip of the nose to the thumb of the outstretched arm 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, there are many options, but most of them are somehow connected precisely with the thumb.
What is measured in inches
Accordingly, inches were slightly different in each country, and in some there were several national variations of an inch. To date, the English inch used in the United States is accepted as the standard. So now, at the sight of the screen having a diagonal of 7 inches, "How many in centimeters?" - This is not the question you will ask, since you already know the answer.
All equipment is measured in such inches - in most cases these are screens, but there can also be, for example, floppy disks. But in other areas, inches are also sometimes used all over the world - for example, when measuring the diagonal of rims.