Taking the first steps of what would be a major historical advance in the science of measurement, the U.S. National Institute of Standards and Technology is participating in a worldwide effort to ...

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 ...

SI Units: In our daily lives, we use measurements constantly, whether it is checking the temperature, weighing vegetables, or measuring the distance between two places. But imagine how confusing it ...

The French government adopted this new metric system on April 7, 1795. A conference including scientists from France, the Netherlands, Switzerland, Denmark, Spain, and Italy worked from 1798 to 1799 ...

Have you ever noticed that systems of measurement tends to change when you leave the United States? Weight is typically measured in kilograms instead of pounds, distance is measured in kilometers over ...