Pregnancy Due Date Calculator - LMP, Conception, or Ultrasound
Estimate your due date from LMP, conception date, or ultrasound scan (Naegele's rule)
Nasıl çalışır
- 1Pick a method
LMP (last menstrual period), conception date, or ultrasound scan.
- 2Enter the date
For LMP, add your average cycle length if not 28 days. For ultrasound, add the reported weeks + days.
- 3Read your due date
See the estimated due date and your current gestational age in weeks + days.
Pregnancy Due Date Calculator - LMP, Conception, or Ultrasound Hakkında
Free pregnancy due date calculator using Naegele's rule (280 days from LMP). Choose from three input methods - last menstrual period (with cycle length adjustment), known conception date, or an ultrasound scan with the reported gestational age. Also shows your current gestation in weeks and days. Runs entirely in your browser. 712 Tools üzerindeki Pregnancy Due Date Calculator - LMP, Conception, or Ultrasound tamamen browser'ınızda native JavaScript API'lerle çalışır - hiçbir server verilerinizi görmez. Yani anında sonuç, tam privacy ve upload limiti yok.
İster bir debugging session olsun, ister hızlı bir sanity check ya da bir production incident'ı - bu tool istediğiniz kadar ücretsiz kullanılabilir. Watermark yok, kayıt yok, tool içinde reklam yok.
Sık sorulan sorular
How accurate is a due date estimate?
Only about 5% of babies are born on their exact due date. Most arrive within two weeks either side.
Which method is most accurate?
An early ultrasound (before 13 weeks) is usually the most accurate. LMP is close if your cycles are regular.
Is this medical advice?
No - this is informational only. Consult your healthcare provider for a clinical estimate and prenatal care.
Is my data uploaded?
No. All calculations run entirely in your browser.
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