Why is it important to have the international system of units?

Answer 1

(a) It is an international standard - if all countries use the same units, it makes communication easier. (b) The metric prefixes make calculations easier. For instance, it is much easier to convert kilometers to meters (multiply by 1000, that is, move the decimal point 3 digits to the right), than to convert miles to feet (I can't even remember the conversion factor, but it is not a power of 10).

Answer 2

Scientists use an international measurement scale for efficiency, for communication, and to be compatible with the findings of other scientists around the world. Think of where would we be if every other country had their own form of measurement. Scientists would spend their lives sorting out the differences between Canada, Mexico, UK, Germany, USA, and every other country and would never get any work done.

Answer 3

The purpose is that international trade can use a set of units used by everyone so nobody has to do the job of converting units from one system to another. OK as far as it goes. But the idea doesn't stretch to an international system of currency.

Answer 4

1. Standardization. People in different countries use the same units. This simplifies commerce, scientific literature, etc.

2. The SI uses prefixes based on powers of 10, which make calculations much easier. For example, to convert 13.2 kilometers to meters, just multiply by 1000. This can be done in your head (the result is 13200). Doing a similar conversion from miles to feet is much more complicated.

1. Standardization. People in different countries use the same units. This simplifies commerce, scientific literature, etc.

2. The SI uses prefixes based on powers of 10, which make calculations much easier. For example, to convert 13.2 kilometers to meters, just multiply by 1000. This can be done in your head (the result is 13200). Doing a similar conversion from miles to feet is much more complicated.

1. Standardization. People in different countries use the same units. This simplifies commerce, scientific literature, etc.

2. The SI uses prefixes based on powers of 10, which make calculations much easier. For example, to convert 13.2 kilometers to meters, just multiply by 1000. This can be done in your head (the result is 13200). Doing a similar conversion from miles to feet is much more complicated.

1. Standardization. People in different countries use the same units. This simplifies commerce, scientific literature, etc.

2. The SI uses prefixes based on powers of 10, which make calculations much easier. For example, to convert 13.2 kilometers to meters, just multiply by 1000. This can be done in your head (the result is 13200). Doing a similar conversion from miles to feet is much more complicated.

Answer 5

1. Standardization. People in different countries use the same units. This simplifies commerce, scientific literature, etc.

2. The SI uses prefixes based on powers of 10, which make calculations much easier. For example, to convert 13.2 kilometers to meters, just multiply by 1000. This can be done in your head (the result is 13200). Doing a similar conversion from miles to feet is much more complicated.

Answer 6

The SI makes it so that scientists all over the world can use the same standards so their work will be understood wherever it is published or presented.

Answer 7

The metric system is used across national borders to unite scientists and general population through ease of quantification of observations.

Answer 8

Because it is a sensible system and one that is used by all sensible people.

Answer 9

It is important for simplicity, to avoid confusion, and to avoid unnecessary unit conversions.

Answer 10

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