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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.

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,…