Calculate your estimated delivery date quickly and accurately. Get professional insights to better understand your unique health signals.
Note: Only about 5% of women deliver exactly on their estimated due date. Most deliver between 37 and 42 weeks.
The Due Date Calculator provides a reliable estimate for your expected delivery date. By using the medical standard of 280 days from your last menstrual period, we help you visualize your pregnancy timeline with clarity and confidence.
We respect your journey. None of your pregnancy data is ever stored on our servers. All calculations are performed 100% client-side.
Utilizes clinical gestational logic (Naegele's Rule) to provide a highly accurate estimation of your expected delivery date.
Get results instantly. Optimized for high speed and a seamless responsive experience on both mobile and desktop devices.
Enter the first day of your last menstrual period to establish the biological start of the pregnancy timeline.
The standard model assumes a 28-day cycle. Adjustments may be needed if your cycle duration varies significantly.
Receive your estimated due date, helping you count down the weeks and prepare for your baby's arrival.
The Due Date Calculator is an essential utility designed to help you quickly and accurately solve calculations related to Health Calculators. Whether you are a student, professional, or just need a reliable answer, our free online Due Date Calculator provides instant results using industry-standard formulas. Unlike other tools, all computations are performed locally in your browser, ensuring complete privacy and zero data tracking.
Explore More: Need to perform additional calculations? Dive into our complete suite of Health Calculators to discover other powerful, mobile-friendly tools designed to simplify your daily tasks and improve your workflow.
A full-term pregnancy is typically considered 40 weeks (280 days). However, "full term" is clinically defined as 39 weeks to 40 weeks and 6 days.
Yes. Early ultrasounds (dating scans) provide the most accurate assessment of fetal age and may result in your doctor adjusting your due date by a few days.
Standard calculators assume a 28-day cycle. If yours is longer or shorter, the ovulation date shifts, which can affect the accuracy of the LMP-based due date calculation.
The estimated due date remains the same regardless of the number of babies. However, twin pregnancies are often delivered earlier, usually around 37-38 weeks.
Yes, PDF CONVERTER provides all reproductive health tools for free to help families plan and track their growth with ease.