Three: Liberia, Myanmar, and the USA.
Officially the metric SI system.
The use of the metric system was made legal as a system of measurement in the US in 1866. The system was officially adopted by the federal government in 1975 for use in the military and government agencies, and as preferred system for trade and commerce.
The metric system was first proposed by a group of French scientists during the French Revolution in the late 18th century. It was officially adopted in France in 1795.
The metric system was officially introduced in France in 1799, making it over 200 years old. It has since been adopted by most countries around the world as the preferred system of measurement.
The metric system was developed during the French Revolution by a group of scientists, including Antoine Lavoisier and Joseph-Louis Lagrange, under the direction of the National Assembly in France. It was officially adopted as the standard system of measurement in France in 1795.
Officially the metric SI system.
English units were the historical units of measurement used in England up to 1824. By the late 20th century, they officially adopted the metric system as their main system of measurement.
The use of the metric system was made legal as a system of measurement in the US in 1866. The system was officially adopted by the federal government in 1975 for use in the military and government agencies, and as preferred system for trade and commerce.
The use of the metric system was made legal as a system of measurement in the US in 1866. The system was officially adopted by the federal government in 1975 for use in the military and government agencies, and as preferred system for trade and commerce.
The metric system was first proposed by a group of French scientists during the French Revolution in the late 18th century. It was officially adopted in France in 1795.
The metric system was officially introduced in France in 1799, making it over 200 years old. It has since been adopted by most countries around the world as the preferred system of measurement.
The metric system was developed during the French Revolution by a group of scientists, including Antoine Lavoisier and Joseph-Louis Lagrange, under the direction of the National Assembly in France. It was officially adopted as the standard system of measurement in France in 1795.
Canada officially adopted the metric system in 1970 through the Metric Conversion Act. This marked the country's transition from imperial units to metric units for measurements.
The metric system is an international decimalised system of measurement, first adopted by France in 1791, that is the common system of measuring units used by most of the world.
The US and I believe Liberia are the remaining two standouts which have not adopted the SI (metric) system. But the SI system is legal in the US, even if not formally adopted.
The metric system was designed by a group of French scientists during the French Revolution in the late 18th century. It was officially adopted as the standard system of measurement in France in 1795.
No the metric measurement for volume is the liter.