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Pregnancy Due Date Calculator

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Calculate your expected due date from last menstrual period (LMP) or conception date.

A Pregnancy Due Date Calculator that estimates your expected delivery date from Last Menstrual Period (LMP), conception date, or IVF transfer date. Also shows current week of pregnancy, trimester, days remaining, and upcoming milestone dates.

How to Use Pregnancy Due Date Calculator

Select your calculation method, enter the relevant date, and click Calculate. The tool displays your estimated due date, current weeks pregnant, days remaining, and a milestone table with past milestones greyed out.

Features

  • 3 calculation methods (LMP, conception, IVF)
  • Custom cycle length support
  • Trimester indicator
  • Milestone table (scans, tests, check-ups)
  • Medical disclaimer included

Use Cases

  • First prenatal appointment preparation
  • Tracking pregnancy milestones
  • Sharing due date with family
  • Planning maternity leave
pregnancy due-date lmp baby calculator weeks

Frequently Asked Questions

The EDD (Estimated Due Date) is calculated using Naegele's Rule from LMP. Only 5% of babies are born exactly on their due date. Your doctor will confirm with an ultrasound.
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