EducationSecondary education and schools

We consider how many centimeters in 1 inch

Despite the fact that most of the measurements we are used to using using the metric system, sometimes the knowledge of alternative methods can be useful. For example, in the description of most monitors and phone displays, it is common practice to indicate their diagonal in inches. If you can translate inches into centimeters, then in the store you will not go around the head from incomprehensible characteristics.

For people accustomed to the metric system, to understand all these feet, yards and inches - a total torment, because it does not fit so perfectly learned from childhood principle 1:10 (in centimeter 10 millimeters, in a meter - 10 decimeters, etc. .). Judge for yourself: almost equal to the usual meter yard consists of 3 feet, and the last contain 12 inches each. All this confuses the unprepared person until the answer to the question of how many centimeters in 1 inch is clear until the end. After all, it is obvious that even if you imagine this unit of measurement clearly, it will not prevent you from translating it into your native metric to facilitate the calculation.

If we talk about the standard English inch, then its length is 2.54 cm. It's sad, but another (simpler) method to learn this value is not. After all, if you do not have tables or Internet at your fingertips, only knowing how many in 1 inch of centimeter will help you accurately calculate. Rounding an inch to two and a half centimeters is permissible only for calculations, where the length is not a critical value. Although in this case, the translation will be a problem for some people, since not everyone has a good oral account with fractional numbers.

Rounding the same inches to 2 centimeters will be a gross mistake, since at any significant values the error will be too high. It is better to try to remember how many centimeters in 1 inch and use the calculator (as an option - to carry out calculations on paper) in order to obtain an acceptable result.

Moreover, in order to begin to understand the imperial system of measuring distances, it will be enough to remember firmly how many centimeters in 1 inch, and the basic indexes of translation. It's much easier to learn one fractional value than a few. For example, as mentioned above, a foot 12 inches, and therefore the value of the first is easily calculated by the formula: 2.54 * 12 = 30.48 cm.

However, it is worth taking into account the fact that the length of an inch may differ in different countries, especially in old sources and documents. Currently, when mentioning an inch is often implied its English version. But in case of doubt, it is better to clarify it in order to avoid annoying mistakes.

Wide application of the inch as a unit of measurement at one time found in the Russian Empire. Although the values were given not so much in inches, as in its fractions - the lines of an inch. During the formation of the USSR, the inch was abolished, and a centimeter replaced it. However, the legacy of the Tsarist era is reflected in our days, for example, in small arms and artillery. So, the 76.2 mm fractional gauge is 3 inches - quite a logical number. To understand such subtleties, it is useful to know how many centimeters in 1 inch.

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