Dates are estimates
Pregnancy calculators use common dating rules. Ultrasound, cycle history, or IVF details may change your official date.
Conception calculator
Calculate your due date from conception.
Enter a known or estimated conception date to see your due date, pregnancy week, trimester, and next milestone.
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One small answer at a time
Use the result as a planning note, then confirm important details with your care team.
Live toolUpdates instantly
Estimated due dateJanuary 28, 2027
Current weekWeek 3
TrimesterFirst trimester
Pregnancy startApril 23, 2026
Next milestoneYour first prenatal visit is usually the next big planning step.
Helpful context
Simple answers before you use the result.
Use it as a planning guide
Your result can help with appointments, checklists, baby names, registry timing, and weekly planning.
Ask when unsure
If a date or symptom feels confusing, your clinician is the best place to confirm what it means for you.
Sources and safety
BumpCalc uses common pregnancy dating rules for planning. For official dating, ultrasound timing, IVF details, symptoms, or urgent concerns, use your clinician's guidance.