Pregnancy Due Date Calculator
Quickly estimate pregnancy due dates with our free online calculator, designed for expectant parents, healthcare providers, and pregnancy enthusiasts.

Check It Yourself
About This Tool
The pregnancy due date calculator is an essential tool for expecting parents, healthcare workers, and clinics to determine the estimated birth date based on the last menstrual period (LMP) or conception date. By inputting the relevant date, the calculator applies the standard Naegele's Rule (LMP + 280 days) to generate an accurate due date.
The tool supports multiple input options, ensuring flexibility for users with different data points. It also displays the due date in multiple formats for clarity, along with gestational age, helping users track pregnancy progress. Designed for ease of use, the calculator features a clean, modern interface optimized for desktop and mobile devices, making it accessible and user-friendly.
Whether used for personal planning or clinical purposes, this tool provides quick, reliable results essential for prenatal scheduling, medical appointments, and educational resources. It streamlines pregnancy management and enhances communication between patients and healthcare providers by presenting clear, accurate information at a glance.
How to Use
1. Enter the Last Menstrual Period date using the date picker.
2. Optionally, input the conception date for more precise calculation.
3. Select the normal pregnancy duration (default is 40 weeks).
4. Click the 'Calculate' button to view the due date and gestational age below.

FAQs/Additional Resources
Find Quick Answers
How is the due date calculated?
Can I use the conception date instead of LMP?
What if I have irregular cycles?
Is this a medical diagnosis?
Can I export or share the results?
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