They just did it magically.
There are no problems when using the metric system. The metric system is a lot simpler than any archaic country-specific system. If you are usinĝ a country-specific system, this is a lot more complicated, as you have to convert so your customers can understand your products.
In all the continents are using some countries are using the metric system more in Asia and Europe most of the countries are using the metric system.
umm make a penut butter and jelly sandwhich to solve all of your problems.
By using measuring tools with metric measurements on them.
The English system is a measurement system; in a sense it is a metric system but it is not the metric system, so I would avoid using that word to describe it.
It means multiplying with constants from a non metric system (such as length using yards, feet, inches) to a metric system (using meters)
there are no problems. the USA should have problems using inches and Fahrenheit and other weird units.
It is a measurement of volume using units from the metric system.
Metric measurement is measurement made using units as defined under the metric system.
no
kilometer
Metres