The due date calculator
Enter the first day of your last period. You will see an estimated due date and how far along you are, with a plain explanation of how a scan fine-tunes it.
This is an estimate based on the date and cycle length entered. A first-trimester dating scan is usually the preferred way for a doctor to confirm pregnancy dates. Your answers stay on this page unless you ask us to prepare a WhatsApp report.
The number of days from the start of one period to the start of the next. Around 28 is average.
Enter the first day of your last period to see your estimate.
Prefer to talk it through? Browse the free tools or book a consultation.
You do not have to figure this out alone.
Share what is going on, and a gynecologist will look at your whole picture. Clear answers, a calm plan, no judgment.
Dr. Geeta S K · Gynecologist, 20+ years in practice
- A real doctor
- Private by design
- From anywhere in the world