gram (most commonly kilogram)
slug
dram
The SI unit used to describe the mass of an object is the kilogram (kg).
The SI unit of mass is the kilogram.
a ruler
A millimeter is a unit of length measurement and can not be used to describe mass, your question does not make sense.
Grams are one unit in which weight can be measured.
Kilogram. for mass
The unit won't help you find the mass of the bat. To do that, you need some sort of a scale. Once you've found the mass, you can describe it in terms of any appropriate unit, such as 'poundmass' or 'kilogram'.
There is no unit of measure, and no mechanical device, that can describe or measure both mass and volume.
The unit of measure used to describe electrical "pressure" is the "Volt."
Grams would be best units to use for the mass of an egg. All the three friends have given the right one. Weight and mass are different. Weight is a force where as mass is just quantity of matter.
The official SI unit for mass is the kilogram.
A unit mass refers to a standard amount of mass used for comparison or measurement purposes. It is often represented by a unit of mass such as a gram or a kilogram.