Pregnancy due date calculator

You can use our pregnancy calculator to work out your baby's approximate arrival date. Also work out how long you have been pregnant for on a future date - useful for planning those flights in advance.

 

The first day of my last period was:

   
My normal menstrual cycle in days:
Your results:  
Date I conceived:
Weeks I have been pregnant:
My baby is due on:
   
How many weeks will I be pregnant on:
   
Your result:  
Weeks I will have been be pregnant:
   
Work out my conception date using baby's birthday:
   
Your result:  
Date of conception: