Welcome to our Advanced Age Calculator, a comprehensive online tool designed to calculate your exact age in various time units. Simply select your birth date using the intuitive day, month, and year dropdowns, choose whether to calculate up to today or a specific end date, and click ‘Calculate Age’. Within seconds, you’ll see your age displayed in years, months, days, and even down to seconds! This free online age calculator also allows you to save your results with a single click. Perfect for planning milestones, tracking development, or satisfying your curiosity, our tool provides precise calculations instantly. Experience the ease of determining your exact age with our user-friendly interface today!