[Free Registration/Login may be required to access all resource tools.] In this lesson, students will describe the International System of Units (SI) and be able to convert units between International and English systems.

Students use three tracks marked on the floor, one in yards, one in feet and one in inches. As they start and stop a robot specific distances on a "runway," they can easily determine the equivalent measurements in other units by looking...

Students are introduced to the nano-size length scale as they make measurements and calculate unit conversions. They measure common objects and convert their units to nanometers, giving them a simple reference frame for understanding the...

Check your knowledge of conversion factors in this interactive practice activity. Practice unit conversions by filling in the number that completes them.

Learn the units of volume measurement. Page includes a conversion calculator, information about the metric system, and numerous links to other relevant material.

Very complete chart of conversion factors for English to SI (metric) unit measurements and SI (metric) to English unit measurements. Includes length, area, volume, mass, temperature, illumination, and force & mass (stress).

This resource provides information on weights and measures, including unit conversion tables.

The U.S. Metric Association offers important dates in the history of the metric system of measurement, including the fact that Thomas Jefferson proposed a decimal-based measurement system for the United States in 1790. Site includes...

[Free Registration/Login Required] This flipchart is for discussion regarding use of metric system and conversions in chemistry. Includes links to websites for further discussion, to a Power Point Slideshow for teaching conversion, to a...

A tool for converting values between units of measurement for energy and work.