Pregnancy Calculator
Calculate your due date, current pregnancy week, and key milestones based on your last menstrual period (LMP) or conception date.
Enter Values
Used only for LMP method
Calculator insights
What this calculator does
Pregnancy Calculator helps you quickly estimate calculate your due date, current pregnancy week, and key milestones based on your last menstrual period (lmp) or conception date. with clean output and clear next steps.
How the calculation works
Enter Calculate From, Date, Average Cycle Length and this calculator uses standard formulas to determine Estimated Due Date and Current Week of Pregnancy. The output is displayed immediately in a user-friendly format.
Example calculation
For example, enter realistic values into the Pregnancy Calculator to see how the calculator produces Estimated Due Date and Current Week of Pregnancy that you can use for planning and comparison.
Disclaimer
The calculations provided by this website are for informational purposes only and should not be considered financial, legal, tax, or professional advice.
Frequently Asked Questions
How accurate is the due date?
Only about 5% of babies are born on their exact due date. Most are born within 2 weeks before or after. It's an estimate, not a guarantee.