Your Pregnancy: Due Date Calculator

Looking forward to working out when your baby is due? Our calculator uses the Last Period method to calculate the expected due date. This is the standard method that most doctors and medical professionals when estimating the due date of the baby. It is calculated from the date of your last menstrual period and then they add approximately 40 weeks to that date. Most pregnancies will last between 38 to 42 weeks, so this calculator will give you an idea of when your baby is due!