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If you've discovered that you're pregnant, the next question that probably popped into your head is, "When is my baby due?" With family and financial preparations to consider, along with changing physical and emotional needs, the sooner you determine this date, the better. To calculate your due date, you'll need the following information:

-The first day of your last menstrual cycle OR an estimated conception date.
-The approximate length of your last menstrual cycle. If you're not sure, you can use 28 days in your calculation (the average length of most women's menstrual cycle)


Simply enter the information in the form below and click the "Calculate" button to determine an estimated delivery date.



Use the first day of my last menstrual period to calculate my due date.
The length of my menstrual cycle is:

The first day of my last menstrual period was:



Use the probable date of conception to calculate my due date.
The length of my menstrual cycle is:

My baby's probable date of conception is: