Due Date Calculator

Estimate your pregnancy due date based on last menstrual period, conception date, or ultrasound date

How to Use Due Date Calculator

1. Select your date method — Last Menstrual Period (LMP), Conception Date, or Ultrasound Date
2. Enter the date and adjust your cycle length if different from the default 28 days
3. Click Calculate Due Date to see your estimated due date, current pregnancy week, trimester, and key milestones timeline

Enable JavaScript to use these tools.