Units of Mass or Weight
Metric system: units of weight
Source: Khan Academy, https://www.khanacademy.org/math/cc-fourth-grade-math/imp-measurement-and-data-2#imp-estimating-mass://i.creativecommons.org/l/by-nc-sa/3.0/80x15.png" alt="Creative Commons License" /> This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License.