![]() ![]() The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground. For example, a scale of 1:5 means 1 on the map represents the size of 5 in the real world. It is used in maps to represent the actual figures in smaller units. To convert inch to any of these units, we need to multiply by the appropriate factor and add a prefix. Scale is the ratio that defines the relation between the actual figure and its model. In addition to measuring length, cm has other different uses, which involve measuring the level of rainfall in an area as recorded by a rain gauge (a scientific instrument used to measure amount of liquid precipitation) and converting large distances into cm and measuring them in cm on maps and globes. Here are some common units and their equivalent values in inches: 1 centimeter 0.39370079 inches. The cm is usually, used to measure many things in the day-to-day life including the length of the car tire or the size of your notebook. When you use a ruler, it is clearly visible that there are markings for centimeter as well as inches on each side of the ruler.Ĭentimeter, just like meter, is used in all sorts of applications. A centimeter is roughly the width of the fingernail of an average adult. First used in 1801, the prefix of this word “centi” shows that it is equal to one hundredth of a meter. A centimeter is 1\100 th of a meter and is obviously smaller than an inch. Sample task: convert 30 cm to inches.1 Centimeter(cm) = 0.39370079 inches(in), 1 inches(in) = 2.54 Centimeter(cm) Definition of CentimeterĪ centimeter or “cm”, is a unit of length in the international system of units (SI). ![]() Of course, using our cm to in converter above is much easier. Knowing that 1 inch equals 2.54 centimeters, to convert from cm to in one needs to divide the measurement in centimeters by 2.54 in order to get the inch equivalent. Human height, as well as other body measurements are usually expressed in centimeters in medical literature. It is used in most sciences, engineering, architecture, construction, and others. 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. The centimeter is a modern metric, defined as 1/100 of a meter, which in turn is the base unit of the metric system. 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. 20 cm or 8 inches 30 cm or 12 inches There are four rulers on this page: 25 cm and 10 inches 23 cm and 9 inches 20 cm and 8 inches 18 cm and 7 inches 26 cm and 10 inches Printable MM Ruler. It is nowadays used in countries that were part of the former British Empire: USA, UK, Canada, and Japan, which adopted it after WWII. This actual size printable ruler cm is for those who follow the metric system. 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. Difference between Centimeters and Inchesīoth centimeters and inches are units of length, with comparable magnitude so their application is also similar. The inch is also commonly depicted by using double quotes (“). The international symbol for centimeters is cm, and for inches – in. Since the modern definition of the inch comes from the International Organization for Standardization, exactly 2.54 centimeters equal 1 inch. Difference between Centimeters and Inches.
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