Free Pregnancy Due Date Calculator Online
Calculate expected due date (EDD), week-by-week pregnancy milestones, trimester boundaries, and key prenatal checkup dates from last menstrual period or conception date. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Enter LMP or Conception Date
Input your last menstrual period (LMP) date or estimated conception date.
Select Calculation Method
Choose LMP method (Naegele's rule: +280 days) or conception date method.
View Due Date & Timeline
See estimated due date, current week of pregnancy, trimester boundaries, and key milestone dates.
Frequently Asked Questions
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