All scientists measure in metric units. Scroll down to related links and look at "THE UNITED STATES AND THE METRIC SYSTEM".
They already have.
A metric ruler typically measures length in millimeters or centimeters and follows the metric system, whereas a US ruler measures in inches and fractions of an inch following the imperial system. Metric rulers are commonly used in countries that follow the metric system, while US rulers are popular in the United States and other countries that use the imperial system.
In 1869Congress legalized the use of the metric system. In 1893 the Office of Weights and Measures adopted the metric system in legally defining the yard and the pound.
Anyone outside of the US, Burma and Liberia who is dealing with large masses.
The Metric Act of 1866 was a United States federal law that defined the metric system as the standard system of weights and measures for the country. It aimed to promote the adoption of the metric system in order to standardize measurements and streamline trade with other countries that were already using the metric system. However, the law was largely ignored by the American public and was eventually repealed in 1869.
Measures for time, and measures for angles.
In the United States, the decision to adopt the metric system was made by the federal government with the passage of the Metric Conversion Act in 1975. This act declared the metric system as the preferred system of weights and measures for United States trade and commerce.
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METRIC
It's metric and imperial.
The US does not use the metric system.
metric system is for commies