Known as the “Mendenhall Order,” it re-defined U.S. customary units in terms of metric units. “For example, the inch is defined now as 25.4 mm exactly,” Hillger says.

(Technically, the American system known as Imperial is called United States customary units or USCS.) It also argues that the decimalized metric system is simpler to work with .

Why we still deal with metric conversion in the U.S. August 17, 2016 Infrequently Asked Questions: Why do we still use the U.S. Customary System?

The can was in US customary units, while the bottle was in metric units. Today, the American public remains mostly on the side of US customary units. Polling from 2016 found that only 32% of ...

In the 1790s, piracy of a ship carrying metric standards intended for then-U.S. Secretary of State Thomas Jefferson played a role in America's decision to not adopt the metric system.

Known as the “Mendenhall Order,” it re-defined U.S. customary units in terms of metric units. “For example, the inch is defined now as 25.4 mm exactly,” Hillger says.

The can was in US customary units, while the bottle was in metric units. Today, the American public remains mostly on the side of US customary units. Polling from 2016 found that only 32% of ...

Today, the American public remains mostly on the side of US customary units. Polling from 2016 found that only 32% of Americans wanted to go metric.