Pregnancy Due Date Calculator — Free Online Health Tool

🤰 Pregnancy Due Date Calculator

Estimate your due date and trimester milestones based on the first day of your last menstrual period (Naegele's rule).

First Day of Last Menstrual Period

Average Cycle Length (days)

💡 Did you know? Only about 5% of babies are born on their exact due date. A full-term delivery is anywhere from 37 to 42 weeks. Your healthcare provider will confirm your due date with an ultrasound.

⚕️ Disclaimer: This estimate is based on Naegele's rule and assumes a regular cycle. Only your healthcare provider can confirm your due date through clinical evaluation and ultrasound.