Measurement units in Spanish are essential for expressing quantities, sizes, weights, and volumes accurately. When teaching Spanish, it's important to cover common units such as "metro" (meter), "kilogramo" (kilogram), "litro" (liter), and their abbreviations, as well as how to use them in everyday contexts. Understanding these units helps learners communicate measurements clearly, whether discussing height, distance, weight, or capacity, which are common in both formal and informal conversations.