Pregnancy Due Date Calculator
Calculate your expected due date and track your pregnancy progress. Based on the standard 40-week pregnancy calculation.
Calculate Your Due Date
This is the most common method used by doctors
If you know the exact date of conception/ovulation
Enter details from your dating ultrasound
Your Pregnancy Details
Estimated Due Date
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Current Progress
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Days Pregnant
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Days Until Due
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Conception Date
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Progress
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0 weeks 20 weeks 40 weeks
First Trimester Second Trimester Third Trimester
Key Pregnancy Milestones
Trimester Overview
First Trimester
Weeks 1-12
- - Fertilization & implantation
- - Major organs begin forming
- - Morning sickness common
- - First prenatal appointment
Second Trimester
Weeks 13-26
- - Baby bump becomes visible
- - Feel first movements (18-22 wks)
- - Anatomy scan (18-20 weeks)
- - Energy levels often improve
Third Trimester
Weeks 27-40
- - Rapid baby growth
- - More frequent checkups
- - Baby drops into position
- - Full term at 37 weeks
Important Note
This calculator provides an estimate only. Only about 5% of babies are born on their exact due date. Most babies are born within 2 weeks before or after. Your healthcare provider will confirm your due date with an ultrasound examination. Always consult your doctor or midwife for accurate pregnancy dating.