Due Date Calculator
Your estimated due date and how far along you are, from your last period or conception date.
Your details
Counted from the first day of one period to the first day of the next.
Estimated due date
May 24, 2027
10 weeks 0 days — 1st trimester| End of first trimester (13 weeks 6 days) | Nov 22, 2026 |
|---|---|
| Anatomy scan window (about 20 weeks) | Jan 4, 2027 |
| Third trimester begins (28 weeks) | Mar 1, 2027 |
| Full term begins (37 weeks) | May 3, 2027 |
| Estimated due date (40 weeks) | May 24, 2027 |
Only about 1 in 20 babies arrives on the exact due date — most are born within two weeks either side. Your provider will confirm dating with an ultrasound.
How this is calculated
The results provided by this tool are estimates for general educational purposes only, and are not medical advice, diagnosis, or treatment. Always talk with a qualified healthcare provider about your individual health. Never disregard or delay seeking professional medical advice because of something you have read here.