Calculate your Due Date

If you know that you’re pregnant, you probably want to be the first to know when your baby is going to be born. To help you get started we created this calculator that can be used to calculate the due date.

Please mind the fact that due date calculation is far from an exact science. Only 4% of all babies are actually born on this date.

What was the first day of your latest menstruation?

Modified cycle length

Is your cycle longer or shorter than 28 days? Then adjust the amount of days.