Due Date Calculator

First day of your last period:      
Number of days in your menstrual cycle:
(Most menstrual cycles are an average of 28 days, however they can fluctuate.)
Likely conception date:
End of first trimester (12 weeks):
End of second trimester (27 weeks):
* Your estimated due date (40 weeks):

* This date is only a projection and is not an exact calculation.
Only 5% of women deliver on their projected due date.