About This Pregnancy Calculator

Our pregnancy calculator helps you estimate your due date and track your pregnancy progress week by week.

How It Works

1. Select your calculation method (Last Menstrual Period is most common)
2. Enter the relevant date
3. Click "Calculate Due Date" to see your personalized pregnancy timeline

Calculation Methods

• Last Menstrual Period (LMP): Most common method. Due date is calculated as LMP + 280 days (40 weeks).
• Conception Date: If you know your conception date, due date is calculated as conception date + 266 days (38 weeks).
• Ultrasound Date: If you've had an ultrasound that determined gestational age.