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en.wikipedia.org/wiki/Mass

the atomic mass unit (u) is 1/12 of the mass of a carbon-12 atom, approximately 1.66 × 10 −27 kg. The atomic mass unit is convenient for expressing the masses of atoms and molecules. Outside the SI system, other units of mass include: the slug (sl) is an Imperial unit of mass (about 14.6 kg).

www.nist.gov/pml/weights-and-measures/si-units-mass

Among the SI base units, the kilogram (kg) is the only one whose name and symbol, for historical reasons, include a prefix. "Kilo" the SI prefix for 1000 or 10 3. Names and symbols for decimal multiples and submultiples of the unit of mass are formed by attaching prefix names to the unit name "gram," and prefix symbols to the unit symbol "g."

www.enotes.com/homework-help/what-unit-mass-54161

What is a unit of mass? ... The ammount of matter contained in a body is can be termed as mass. According to different system of unit are used in the different parts of the world. These systems ...

Same length in different units. Practice: Convert units (US customary) U.S. customary and metric units. ... Unit measurement word problems. Math · 5th grade · Measurement and data · Unit conversion. Metric units of mass review (g and kg) CCSS Math: 4.MD.A.1, 5.MD.A.1. Review the size of grams and kilograms and how to convert between the two ...

units.fandom.com/wiki/Mass

Mass is a property of physical objects that, roughly speaking, measures the amount of matter they contain. It is a central concept of classical mechanics and related subjects. Strictly speaking, there are three different quantities called mass: Inertial mass is a measure of an object's inertia...

www.reference.com/science/unit-measurement-mass-da71f8b1e510748c

A common unit of measure for an object's mass is the metric unit grams. However, mass is often confused with weight, which are similar ideas but different characteristics of an object. Where the standard unit of measure in pounds will give an object's weight, determining its mass relies on gram measurements.

Let's think about the units typically used in the metric system to measure an object's weight. And I'm putting the weight in quotation marks right over here because the units I'm going to talk about are-- actually, if we wanted to be technical, they're units of mass. And as we'll see later on in our ...