The Period Tracker Calculator helps estimate the start and end dates of your next menstrual period based on your last period’s start date, your average cycle length, and typical period duration. It provides an easy way to monitor your menstrual cycle and prepare for upcoming periods. Regular tracking can help identify changes in your cycle, support fertility awareness, and improve overall reproductive health management. While this calculator offers a helpful estimate, individual cycles may vary due to stress, diet, exercise, or health conditions.