Pregnancy due date calculator

The Pregnancy Due Date Calculator by Period Track AI estimates your baby’s delivery date using your last menstrual period (LMP) and cycle length, projecting about 40 weeks (280 days) from LMP. It adjusts for irregular cycles, offering tailored estimates, and integrates with tracking features for trimesters and symptoms, aiding prenatal planning.

Select the first day of your last period

NOTE : we don't collect, process, or store any of the data that you enter while using this tool. All calculation are done exclusively in your locally, and we don't have access to the results. All data will be permanently erased after leaving or close the screen.

Pregnancy due date calculator

Published 20 August 2025 | Written by Aisha

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Pregnancy Sex Pregnancy week Pregnancy Preparation

Planning with Confidence: The Pregnancy Due Date Calculator

How It Works

The Pregnancy Due Date Calculator uses the first day of your last menstrual period (LMP) to predict your due date. Simply enter your LMP and average cycle length, and it adds approximately 40 weeks (280 days) to estimate delivery. For example, if your LMP was July 1, 2025, with a 28-day cycle, your due date might be around April 7, 2026. Adjust for cycle variations and consult your doctor for precision.

Why It’s Essential

Knowing your due date helps you plan prenatal care, baby preparations, and family milestones. This calculator adapts to irregular cycles, providing personalized estimates to suit your unique pregnancy. It’s a practical first step in managing your health during this special time.

Supporting Your Pregnancy

Beyond due date predictions, the calculator integrates with Period Track AI’s pregnancy mode, letting you track trimesters and symptoms like nausea or fatigue. Use it to schedule check-ups and share progress with your healthcare provider, fostering a proactive approach to your well-being.

What Makes It Stand Out

With its intuitive interface and smart technology, the Pregnancy Due Date Calculator shines as a user-friendly tool. Available anytime on your phone or tablet, it blends convenience with reliable health insights.

In a world where health planning matters, the Pregnancy Due Date Calculator offers a valuable way to stay connected to your pregnancy journey. Download Period Track AI today and start preparing with confidence.