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Five tables are used to convert the main units of the metric system: length, mass, capacity, area, volume.

The exercise mode displays random conversion operations of measurement, to solve using the table. Each step can be validated and corrected.

**Fill** the table with your computer's numeric keypad.

**Click** on a unit to add a decimal dot in the table.

- To know the units of measure.
- To know how to compare and convert units of measure.
- To introduce the history of the
**International System of Units**.

Units of measurement have always been part of everyday language, they regulate trade and science. Originally, populations had their own units of measurement, usually based on body parts (finger,…