If you know when you are due( your expected date of delivery) you can calculate how many weeks pregnant you are TODAY or for a DATE IN THE FUTURE. Please enter when you are due using the drop down menu-YOU WILL NEED TO DO THIS BEFORE YOU DO ANY OTHER CALCULATIONS ON THIS PAGE


If you want to know how pregnant you are at a future date please enter the future date using the drop down menu


If you want to know the date when you will be any given number of weeks pregnant please enter the number of weeks pregnant you will be


Please note that this calculator works on the principle that when you are due( your expected date of delivery) is the 280th day( 40 weeks) of your pregnancy after the first day of your last period if known. Some doctors and midwives may come up with a slightly different date and remember that babies do not always come on the due calculated day.