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Metric SI Unit Conversions: Metric SI Mass

The conversion worksheets in this section practice converting metric/SI unit mass (gram base units) to other metric units.

Milligrams to Grams, Grams to Kilograms and other Metric Mass Conversions

The basic unit of mass in the metric system is the gram. There are 1000 grams in one kilogram, and there are 1000 milligrams in one gram. Using these basic facts, conversions from milligrams to grams or grams to kilograms are simple exercises in place value division. Similarly, the reverse operations of grams to milligrams or kilograms to grams is performed by multiplying by 1000. Each metric conversion worksheet here provide plenty of practice performing this conversions.