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The US uses customary units for historical reasons, as these units have been in use for hundreds of years. Changing to the metric system would require a significant investment in time, money, and resources to re-educate the population and transition existing infrastructure.
The only reason they're "customary" around here is because we continue to use them.
Once you get anywhere outside the US, the inch, yard, mile, and pound are no longer customary; they're just plain weird, and everybody there is asking the same question.
Informal units of measure include any type of measurement representation a person uses. A common informal unit of measurement is hand span (or hands) because hands are visual and measurements can be understood across all languages and cultures.
It would make no sense to measure your height in seconds, or to talk of your age in kilograms! Different characteristics need different measures.
Different units are required so at to measure things on different scales accurately. You would not want to measure the distance from the earth to the sun in millimetres! The answer is approximately 150,000,000,000,000 mm. Conversely, you would not want to measure your height in kilometres: 0.0018 km approx, even less the thickness of a sheet of paper. You need a small unit to get an accurate result for a short distance and a large unit for a long distance.
It would make no sense to measure your height in seconds, or to talk of your age in kilograms! Different characteristics need different measures.
Different units are required so at to measure things on different scales accurately. You would not want to measure the distance from the earth to the sun in millimetres! The answer is approximately 150,000,000,000,000 mm. Conversely, you would not want to measure your height in kilometres: 0.0018 km approx, even less the thickness of a sheet of paper. You need a small unit to get an accurate result for a short distance and a large unit for a long distance.
It would make no sense to measure your height in seconds, or to talk of your age in kilograms! Different characteristics need different measures.
Different units are required so at to measure things on different scales accurately. You would not want to measure the distance from the earth to the sun in millimetres! The answer is approximately 150,000,000,000,000 mm. Conversely, you would not want to measure your height in kilometres: 0.0018 km approx, even less the thickness of a sheet of paper. You need a small unit to get an accurate result for a short distance and a large unit for a long distance.
It would make no sense to measure your height in seconds, or to talk of your age in kilograms! Different characteristics need different measures.
Different units are required so at to measure things on different scales accurately. You would not want to measure the distance from the earth to the sun in millimetres! The answer is approximately 150,000,000,000,000 mm. Conversely, you would not want to measure your height in kilometres: 0.0018 km approx, even less the thickness of a sheet of paper. You need a small unit to get an accurate result for a short distance and a large unit for a long distance.
It would make no sense to measure your height in seconds, or to talk of your age in kilograms! Different characteristics need different measures.
Different units are required so at to measure things on different scales accurately. You would not want to measure the distance from the earth to the sun in millimetres! The answer is approximately 150,000,000,000,000 mm. Conversely, you would not want to measure your height in kilometres: 0.0018 km approx, even less the thickness of a sheet of paper. You need a small unit to get an accurate result for a short distance and a large unit for a long distance.
i dont know i hate math!!!
Well, it is because early men did not need to make accurate comparisons. They could tell by looking whether a place was large enough for a family to live in.
Because it is too hard for American teachers to understand SI units and teach them to children. The US has agreed to use SI units almost 20 years ago and is still struggling with it.
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What is the name given to the system of units used in the Unites States?
The system of units used in the United States is called the United States customary units or US customary units. This system includes units such as feet, pounds, and gallons.
What units does the US use to measure distance?
The US is one of the 3 remaining countries that still use Imperial (old British) units to measure distance. They therefore uses feet, inches and miles. The rest of the world uses the international standard decimal units relating to the Metre.
What countries don't use an SI unit?
Countries that do not officially use the International System of Units (SI) include the United States, Liberia, and Myanmar. These countries predominantly use the US customary system, imperial system, or their own traditional units for measurements.
Is Foot 'unit of measurement' in the metric system?
No, Foot belongs to the Imperial and US customary units (according to Wikipedia)
Force is measured in units of what?
Force is measured in units of newtons (N) in the International System of Units (SI) or pounds (lb) in the US customary system.
Why does the US use customary units to measure and in other countries they use centimeters?
The US has their own way of measuring things, I guess, and there really isn't an explanation for it.
What should you do to change a value in SI units to a value US customary units?
Use a conversion factor
What units do you use in labeling area in US Customary System?
square feet
What should you do top change a value in SI units to a value in US customary units?
use a conversion factor.
What is the US measurement called?
Customary Units
Is a liter customary?
Liter is used in the United States, but it is not one of the US customary units.
What is the difference between the US Customary System and the Metric System?
The customary units are ones we use everyday. metric units usually have the word meter on it. my teacher taught me meter metric no meter no metric.
What should you do to change a value in SI units to a value in US customary units?
Use a conversion factor
What is the name given to the system of unit used in the US?
US customary units
What is the name given to the system of units used in the Unites States?
The system of units used in the United States is called the United States customary units or US customary units. This system includes units such as feet, pounds, and gallons.
What should you do to change a value in SI units to United States customary units?
You need to find the conversion factor for the units in question.
What customary units are most commonly used in the US?
Ounces and feet
