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# What is an easy way to remember the metric system?

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The first letters of the most popular prefixes in the metric system can be remembered by memorizing the phrase "King Henry doesn't usually drink chocolate milk." The first letter in each word of the phrase corresponds in descending order with the first letters of prefixes kilo, hecto, deca, unit, deci, centi and milli.

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The metric system is the most widely used system of measurement in the world. It was first introduced in France in 1799, and has since become the official measurement system in every country around the world except for the United States, Liberia, and Burma. The system uses a single unit of measurement, such as grams or meters, and uses prefixes to describe that measurement in factors of ten. For example, a kilometer is 1,000 meters, and a kilogram is 1,000 grams.

The metric system allows for easy conversion between units of measurement, and even measurement types. In the imperial system, there is no base conversion for heat, mass, length, and volume, but in the metric system a single unit of each measurement corresponds to a single unit of another type of measurement. For example, 1 calorie is the amount of energy it takes to heat 1 gram of water 1 degree Celsius. Also, all subdivisions of measurements are based off of the number ten, making conversions very easy.

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## Related Questions

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The metric system was developed by a group of French scientists after the conclusion of the French Revolution, and was based on ideas developed during the 17th century. As of 2015, only a handful of countries do not use the metric system, such as the United States and Liberia.

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The metric system is advantageous because it doesn't require conversions or use fractions. There are also fewer units in the metric system, and it uses simpler prefixes. The main disadvantage is having to teach someone who's used to using imperial units how to use the metric system.

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The basic unit of volume in the metric system is the liter. Volume is a three-dimensional measurement of space, determined by multiplying the lengths of the three dimensions occupied by matter. Therefore, cubic-meters can also be used as a unit of volume. One cubic-meter is equivalent to 1,000 liters.

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A metric scale is a form of measurement used in the metric system. The metric system is the world standard for measurement and is made of three basic units: the meter, gram and liter. The meter measures length, the gram measures mass and the liter measures volume.