Pregnancy Calculator | Estimate Due Date

Try our Pregnancy Calculator, A conception, gestation and due date calculator that will help you determine when conception occured, how far along you are and when your estimated due date will be.

Also see our Ovulation Calculator which is designed to help you predict ovulation - your peak time for becoming pregnant.

When was the first day of your last menstrual period?
Pregnancy Calculator

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:

The Chinese Gender Predictor is a fun way to predict the gender of your future child. It was allegedly rediscovered on a chinese tomb and is over 700 years old.

This has absolutely no scientific basis, it is just a bit of fun. Just choose the age of the mother at conception and the month of conception.

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