Pregnancy Due Date Calculator

First day of last menstrual period:

Average cycle length (days):

Conception date:

Your Pregnancy Details

Estimated due date:

Current gestational age:

Conception date:

Pregnancy Milestones

First Trimester Ends:

Second Trimester Ends:

Third Trimester Starts:

Note: This calculator uses Naegele's rule (280 days from LMP) for due date estimation. The actual due date may vary as only about 5% of women deliver on their exact due date.

For conception date method, we add 266 days (38 weeks) to estimate the due date.

Always consult with your healthcare provider for accurate pregnancy dating.