🤰 Pregnancy Due Date Calculator

When is your baby due?

Last Period (LMP)
Conception Date
👶
40 weeks
Trimester
Weeks
Days Left

About Pregnancy Due Date

This calculator estimates your due date using Naegele's rule: add 280 days (40 weeks) from the first day of your last menstrual period (LMP), or 266 days from conception. Only about 5% of babies are born on their exact due date — most arrive within 2 weeks before or after.

Disclaimer: This is an estimate only. Consult your healthcare provider for personalized medical advice.