Estimate your pregnancy due date.
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Get a simple explanation of the formula used in this calculator.
Naegele's rule
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Get an estimated due date based on your last menstrual period or date of conception.
June 10th, 2026
Our **Pregnancy Due Date Calculator** is an easy-to-use tool that provides an estimated due date for your baby. By providing either the date of your last menstrual period (LMP) or your date of conception, this calculator helps you get a better idea of your pregnancy timeline. It's a great starting point for expectant parents planning for their new arrival.
The calculator will instantly display your estimated due date.