Pregnancy Due Date Calculator

Estimate your due date from LMP, IVF transfer, or known conception date. No accounts, no tracking, no data leaves your device.

Method

LMP IVF Conception Ultrasound

Which method should I use?

LMP if you know your last period. IVF if you used assisted reproduction. Conception if you know the date. Ultrasound if your provider gave you an EDD.

First day of your last period

Cycle length (days)

Leave at 28 if unsure.

Export

How we choose and check our formulas