Pregnancy Calculator

Calculate your due date and pregnancy timeline

Enter the first day of your last menstrual period

First Day of Last Period

• This calculator provides an estimated due date based on the first day of your last menstrual period.

• Only about 5% of babies are born on their exact due date. Most babies arrive within 2 weeks before or after.

• Your healthcare provider may give you a different due date based on ultrasound measurements.

• This calculator is for estimation purposes only and should not replace professional medical advice.

• Always consult with your healthcare provider for personalized prenatal care.