Calculator Page
Pregnancy Due Date Calculator
Estimate pregnancy due date from the last menstrual period date.
TabsSwitch between calculator, charts, details, and FAQ.
Save and ShareCopy, save, or share calculator results.
Recent CalculatorsRecently opened calculators are listed in the sidebar.
AllConverterPro | Calculators
Calculator website
Fitness & Health Calculators
Theme
Charts
Pregnancy Due Date Calculator
Enter values below and view the result.
Calculator Page
Calculator Tools
Charts
Bar Chart
Formula / Method
Enter the required values and click Calculate to get the result instantly.
How to Use
Enter values and click Calculate.
Frequently Asked Questions
What is this based on?
This uses Naegele’s rule: 280 days from the first day of the last menstrual period.
Is it exact?
No. It is only an estimate.