Due Date Calculator

This is a very basic due date calculator, and should not be used to replace your doctor's advice. You can use this calculator to get a rough estimate of when you might be due. If you haven't yet, do make an appointment with your doctor to find out!

Last Menstrual Period Average Length of Cycles Defaults to 28 Average Luteal Phase Length Defaults to 14 Estimated Conception Estimated Due Date Estimated Fetal Age