Calculate your estimated due date, fetal age, and key pregnancy milestones based on your last menstrual period. Get professional insights to better understand your unique health signals.
The Pregnancy Calculator helps you track your journey with precision. By inputting your last menstrual period, you can estimate your due date, conception date, and key trimester milestones to stay informed and prepared.
Your privacy is paramount. We do not store or share any of your pregnancy-related data points. All calculations are performed 100% locally.
Uses Naegele's Rule, the standard clinical formula used by healthcare providers worldwide to estimate gestational age and due dates.
Fast, responsive, and reliable. Get your pregnancy timeline instantly on any device with no latency or page reloads.
Establish the starting point of your pregnancy by entering the first day of your last cycle.
Our engine allows for cycle length variations to provide a more accurate estimation of your ovulation and conception day.
Receive a full breakdown of your pregnancy stages, including trimester transition dates and the expected delivery day.
The Pregnancy 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 Pregnancy 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.
Most clinicians use Naegele's Rule: add seven days to the first day of your last menstrual period (LMP) and then subtract three months. Our calculator automates this and adjusts for cycle length variations.
No. Only about 4% of babies are born on their exact due date. Most are born within a two-week window before or after the estimated date.
While our tool defaults to LMP (the most common medical standard), you can estimate conception by knowing your ovulation date, which typically occurs 14 days after LMP in a 28-day cycle.
Yes. While this tool provides high-quality estimates, your OB-GYN or midwife will use ultrasound and other clinical markers to confirm your due date more accurately.
Yes, PDF CONVERTER offers all health and pregnancy tools for free to ensure everyone has access to professional-grade health estimation tools.