Pregnancy Due Date Calculator
Calculate your estimated due date from your last menstrual period. See your current week of pregnancy, trimester, and days remaining.
How to Use This Pregnancy Due Date Calculator
Enter the first day of your last menstrual period (LMP) using the date picker. The calculator adds 280 days (40 weeks) to determine your estimated due date. It also shows your current gestational week, which trimester you are in, and how many days remain until the due date.