Units of Mass or Weight

This lecture series discusses different units of mass in the metric and U.S. customary systems. Mass and weight are not the same thing, even though they are used interchangeably in everyday language.

Practice

Estimate mass (grams and kilograms) - Answers

1. Kilograms is the most reasonable unit to measure the mass of a kitchen table.

2. The mass of a sheep is about 50 kilograms.

3. Kilograms is the most reasonable unit to measure the mass of an average adult.

4. The mass of a ladybug is about 1 gram.