Units of measurement are standard quantities used to express and compare different physical properties. They help us understand and communicate sizes, weights, distances, and volumes. For example, we use meters to measure length, kilograms for weight, and liters for volume. These units provide a common language that allows people to share information accurately. Different fields may use specific units tailored to their needs. In science, the metric system is commonly used, while in everyday life, we might encounter imperial units like feet and pounds. Understanding these units is essential for tasks like cooking, building, or even traveling, making our daily activities easier and more precise.