Surprising Metric System Facts We Bet You Didn't Know About

Adekunle Olanrewaju Jason
Oct 31, 2023 By Adekunle Olanrewaju Jason
Originally Published on Mar 17, 2022
Did you know that when it was introduced in Europe almost 200 years ago after the French Revolution, there were no workable standards available to produce metric units?
Age: 3-18
Read time: 6.8 Min

Everyone knows that the metric system is one of the simplest and most logical measuring systems in existence.

But it should be known that there are some surprising metric system facts that many people have never heard before. Metric units of measurement are based on the decimal system of numbers, which means that every new unit is 10 times larger or smaller than the previous one.

This makes it very easy to learn how to use it since you can multiply any number by 10 to know how much bigger the meter is than the centimeter (you just move the decimal point one place to the right). The measures for distance, kilograms, length, gram are different in terms of units in the metric system. Length is a measure of distance between two points. Length can be measured in various units such as centimeters, meters, kilometers, inches, feet, etc.

The most common unit of length is the meter, and it is the standard unit of length in all scientific measurements. Length measurement is an important part of making calculations with other measurements like area and volume.

History Of The Metric System

The metric system is an internationally unified, decimal-based system of measurement based on ten base units, which are defined in terms of millimeters, cubic centimeters, liters, and other parameters, as well as a hundredth (metric) unit known as the kilogram.

The metric system arose from the French Revolution's efforts to simplify the existing measures; it was first introduced during the French Revolution.

The metric system underwent several changes and additions over the years, with today's version being defined in terms of seven base units and twenty-three derived units, along with a hundredth non-SI unit known as the kilogram.

The metric system was first used in France during the French Revolution when it was defined in terms of meter and kilogram.

The Metric Principle

The main difference between the international system of units and the metric system is that the international system's fundamental unit of measure is an artifact, being based on a physical object. Metric units are used to measure length, weight, or size. In 1799, the metric system was defined in terms of meter, kilogram, and gram.

A meter is a standard unit for the length that is defined in terms of a series of wavelengths of light emitted by atomic transitions from cesium 133 atoms.

A kilogram is a standard unit for mass that is defined in terms of Avogadro's number (Symbol: NAv).

The gram was originally defined as 1/1000th of the cubic decimeter, which was then adopted by the metric system and remains in use today as one of its base units.

The Modern Metric System

Today, the metric system is used in most fields of science and engineering, as well as everyday life activities.

The International System of Units (SI or Standard Unit) is the modern form of the metric system and consists of seven base units, twenty-three derived units, and a non-SI unit for use in repeated measurements known as the SI unit.

The seven SI base units are the meter (m), kilogram (kg), second (s), ampere (A), kelvin (K), mole (mol), and candela (cd).

The 23 derived units are the second, ampere, kilogram, second of time or 1/86400th of a day (s), kelvin, mole, candela, few (F), microfarad (μF), picofarad (pF), dekaliter (dl), deciliter (dl), liter (L), milliliter (mL), cubic centimeter (cm3) and cubic meter (m3).

Among the other measuring systems is the International System of Units (SI), which was defined in 1960.

The metric system is based on certain fundamental constants of nature, which have only recently been discovered by scientists.

Other Measuring Systems

The SI is used by most professional and academic fields, while many non-professional ones still employ other measuring systems.

While the SI is officially recognized by the International Bureau of Weights and Measures (BIPM), it has no judicial power or enforcement mechanism over the world's commerce or industry.

It continues to use whatever measuring systems they may prefer, whether legally recognized or not.

Other measuring systems include the U.S. customary system (USCS) and other local variants of the English system.

Other Miscellaneous Facts

The International Measurement system is defined with reference to the Meter-Kilogram-Second (MKS) System of Units. The MKS units are formalized in the International Measurement System of Units (SI) as stipulated by the General Conference on Weights and Measures (CGPM).

Customary units (imperial units) are the everyday, normal units of measure that we use in our homes and offices. They include measurements such as inches, miles, nautical miles, yards, feet and inches, ounces, and pounds. Different countries have different customary units.

Both the Kelvin (K) and Rankine (°R) scales were historically used to measure extremely low and high temperatures, respectively. The kelvin is the primary unit of temperature in the International System of Units (SI). It is a scale that was devised by physicist William Thomson and Baron Kelvin that starts at absolute zero.

The kelvin was originally defined as 1/273.16 of the thermodynamic temperature of the triple point of water. SI is a standard unit of measurement that has been used over the years as an international standard to standardize scientific measurements.

A decimal point has been used in the measurement system since the 17th century, when it was used by Simon Stevin (1548-1620) in his book 'De Thiende'. Today, one of the most important problems that face industrialized countries is having a precise system that measures the levels of pollutants in the atmosphere.

Measurement is critical in any field. Mass is one of the seven SI base units and is used every day around the world. Mass, like length, area, volume and time can be measured in various ways. Various measurements are used depending on the situation. Mass values are obtained by multiplying the mass of an object's components by its respective substance density.

The measurement system in Planck's constant is that it measures temperature and mass. It does this by using a definition of the kilogram as 'the mass of 1 cubic decimeter of water at the temperature at which water has its greatest density'.

The difference between kilograms and gram is very small, but they are not the same thing. Kilograms and gram are both based on the International Prototype Kilogram (IPK), which is widely accepted as the base unit for mass.

The gram was originally defined as one cubic centimeter of water at the freezing point of pure water, but this has since been revised to be precisely 1/1000th of a kilogram.

FAQs

What is the metric system based on?

The metric system is based on the meter for length and the kilogram for mass.

Who invented the metric system?

Gabriel Mouton invented the metric system.

What are metrics used for?

Metrics are used for assessing, comparing, and tracking performance or production.

What three countries do not use the metric system?

Myanmar, Liberia, and the United States are the three countries that do not use the metric system.

Which president stopped the metric system?

President Ronald Reagan stopped the metric system.

Why did America reject the metric system?

The biggest reasons the U.S. has rejected the metric system are simply time and money.

When did Canada switch to metric?

The shift from the imperial to the metric system in Canada started 40 years ago on April 1, 1975.

What are the good things about the metric system?

The metric system is highly standardized, meaning that measurements are duplicated across the world at a very high level of accuracy. A standard-sized bolt can be used to fasten a standard-sized nut in any car or machine across the world, sparing users the trouble of having to find out which brand and model their part is before purchasing a replacement.

Science and technology are much faster than it was before because people do not need to translate every measurement into units that everyone understands when reading or sending information (such as converting from Celsius to Fahrenheit).

How many units does the metric system have?

There are seven base units which are meter, kilogram, second, ampere, kelvin, candela, and mole.

What percentage of the world uses the metric system?

94.7% of the world uses the metric system.

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Sources

https://sciencetrek.org/sciencetrek/topics/measure/facts.cfm

https://sciencing.com/metric-system-5370641.html

https://www.myinterestingfacts.com/the-metric-system-facts/

https://science.howstuffworks.com/5-things-about-metric-system.htm

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Written by Adekunle Olanrewaju Jason

Bachelor of Science specializing in Mass Communication.

Adekunle Olanrewaju Jason picture

Adekunle Olanrewaju JasonBachelor of Science specializing in Mass Communication.

With over 3+ years of professional experience, Olanrewaju is a certified SEO Specialist and Content Writer. He holds a BSc in Mass Communication from the University of Lagos. Throughout his dynamic career, Olanrewaju has successfully taken on various roles with startups and established organizations. He has served as a Technical Writer, Blogger, SEO Specialist, Social Media Manager, and Digital Marketing Manager. Known for his hardworking nature and insightful approach, Olanrewaju is dedicated to continuous learning and improvement.
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