Due Date Calculator
Calculate your baby's due date and pregnancy timeline
Calculate Due Date
Due Date Results
Estimated Due Date
-
Current Gestational Age
0 weeks
Days Until Due Date
0
Conception Date
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Important Pregnancy Dates
Week 12
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End of 1st trimester
Week 20
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Anatomy scan
Week 28
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3rd trimester begins
Week 37
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Full term
Due Date Information
Due Date Accuracy
Due dates are estimates. Only about 5% of babies are born on their exact due date.
- Most babies are born within 2 weeks of due date
- First babies tend to be born later
- Ultrasound dating is most accurate early in pregnancy
- Natural variation is normal
Pregnancy Terms
Understanding pregnancy terminology and timing.
- Gestational Age: From last menstrual period
- Fetal Age: From conception (2 weeks less)
- Full Term: 37-42 weeks
- Post-term: After 42 weeks