Have you ever noticed that systems of measurement tends to change when you leave the United States? Weight is typically ...

After the revolution of 1789, French citizens sought uniform weights and measures throughout the nation. The National Assembly and subsequent national governments commissioned the Paris Academy of ...

NARRATOR: The metric system is a way of measuring things. So with length, the metric measurements are millimetres, centimetres, metres and kilometres. A stamp, would be measured in millimetres.

Americans have long used diverse weights and measures, reflecting their diverse origins. From colonial times, converting from one unit to another was part of courses in commercial arithmetic. The ...

A nanometer (nm) is a unit of length in the metric system, defined as one billionth (10-9) of a meter (m). The meter is the base unit of length in the International System of Units (SI), making the ...