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The international system of units is practically legal in all the countries; but some countries as United States, United Kingdom and the old colonies of US and UK refuse this system.
United States customary units are a system of measurements commonly used in the United States.
Three nations have not officially adopted the International System of Units as their primary or sole system of measurement: Burma, Liberia, and the United States.
The United States customary system (also called American system or, sometimes, "English units") is the most commonly used system of measurement in the United States.
Usually people use the metric system, some (like people of the United States) use the English system.
The Imperial system of measurements, originally used in England.
Although it is familiar with the International system, the United States uses the English system of units.
The International System of Units has standard units for all types of measurements.Unfortunately some countries as United States, Canada, United Kingdom and colonies doesn't recognize the SI.
cuz the united states is a pig headed 'democratic' state which thinks it is always right even though it is mostly wrong.
The international system of units is practically legal in all the countries; but some countries as United States, United Kingdom and the old colonies of US and UK refuse this system.
US customary units
The meter, kilogram, second, ampere, kelvin, candela, and mole all make up the international system of units. The United States does not follow the metric system.
The meter, kilogram, second, ampere, kelvin, candela, and mole all make up the international system of units. The United States does not follow the metric system.
United States customary units are a system of measurements commonly used in the United States.
Three nations have not officially adopted the International System of Units as their primary or sole system of measurement: Burma, Liberia, and the United States.
The United States customary system (also called American system or, sometimes, "English units") is the most commonly used system of measurement in the United States.
The United States system of units is similar to the British imperial system. Both systems are derived from English units, a system which had evolved over the years before American independence, and which had its roots in Roman and Anglo-Saxon units. ~Wikipedia