What is Due Date Calculator?
Calculates your due date with Naegele's rule (first day of last period + 280 days), adjusting for cycles that differ from 28 days. Shows how many weeks pregnant you are today, your trimester, the estimated conception date and dates for key checkups such as screenings, the anatomy scan and glucose test.
How to use
- 1
Pick the first day of your last period.
- 2
Enter your usual cycle length.
- 3
Check your due date and the week-by-week schedule.
Use cases
After a positive test
Find your due date and how far along you are.
Planning parental leave
Plan when your leave starts around the due date.
FAQ
Is the information I enter saved?+
No. All calculations happen in your browser and nothing is stored or sent anywhere.