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Pregnancy Due Date Calculator
Calculate your due date, track pregnancy milestones, and monitor baby's development week by week.
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Professional Pregnancy Calculator
Get accurate calculations with our comprehensive pregnancy calculator. Designed for ease of use while providing detailed, professional-grade results.
Frequently Asked Questions
Due dates are calculated using Naegele's rule: add 280 days (40 weeks) to the first day of your last menstrual period (LMP). This assumes a 28-day cycle with ovulation on day 14. Only 5% of babies arrive on their due date; most arrive within 2 weeks before or after.
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