https://es-cl.khanacademy.org/math/cc-fourth-grade-math/imp-measurement-and-data-2 2025-11-20T17:53:56.044440592Z Units of measurement Did you know units of measurement are all around us? From how much milk is in your cereal bowl to how far you run in gym class, these measurements help us make sense of the world. In this unit, you'll learn how to estimate and convert measurements for mass, volume, and length. unit