Pregnancy Due Date Calculator

Estimate your baby's due date using your Last Menstrual Period (LMP).

Your estimated due date is 40 weeks (280 days) from the first day of your last menstrual period (LMP). This calculation assumes a regular 28-day menstrual cycle.

Enter Your Last Menstrual Period (LMP)

Your Estimated Due Date

Enter your Last Menstrual Period (LMP) to calculate your due date.

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Frequently Asked Questions

A pregnancy due date is an estimate of when a pregnant woman is likely to give birth. It is typically calculated as 40 weeks from the first day of the woman's last menstrual period (LMP).