A megabyte (MB) is a unit of digital information storage that is commonly used to measure the size of files and data. One megabyte is equal to 1,024 kilobytes, which means it can hold a significant amount of information. For example, a typical photograph taken with a smartphone might be around 2 to 5 megabytes in size, depending on its quality and resolution. In the world of computing, understanding megabytes is important for managing storage on devices like computers, smartphones, and tablets. When you download apps, music, or videos, their sizes are often measured in megabytes. Knowing how many megabytes you have available can help you keep your device running smoothly and ensure you have enough space for your favorite content.