What unit is used to measure mass?

The answer to this question is grams. The unit used to measure mass is grams, specifically kilograms. The kilogram can also be converted into pounds but pounds are actually used to measure weight which is different than mass. You would use weight to measure objects‘ weight but use mass to measure things liKe planets.

Scientifically, the unit used to measure mass is kilograms. Measuring the weight of something is actually measuring a force (the amount of downward force) and not a unit to measure how big something is. You will learn all about these two measurements in science classes like chemistry and astronomy.