Pregnancy Calculator

Due Date Calculator

Calculate your estimated due date using your last menstrual period or conception date. Get your full pregnancy timeline including trimester milestones and key appointment dates. Results are based on Naegele's Rule, the standard used by OB-GYNs worldwide.

The first day of your most recent menstrual period

Most cycles are 28 days, but 21–45 is normal

Medical Disclaimer: Results are for educational purposes only and are not a substitute for professional medical advice. Always consult your healthcare provider.

Your Due Date Awaits

Enter your last period date or conception date on the left to calculate your estimated due date and full pregnancy timeline.

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Frequently Asked Questions