Pregnancy Calculator

When was the first day of your last menstrual period?

   
Number of days in your menstrual cycle
Likely conception date:
End of first trimester (12 weeks):
End of second trimester (27 weeks):
Your due date is (40 weeks):
Number of weeks you have been pregnant for:
How many weeks will you be pregnant on a given date?
   
Number of weeks you will be pregnant for:
On which date will you be pregnant for the given number of weeks?
The number of weeks:
Calculated date:
Given the birthday or due date, calculate likely conception date
   
Calculated conception date: