Pregnancy Due Date Calculator

Estimate your due date and track key pregnancy milestones with our free pregnancy due date calculator.

How due dates are calculated

Your estimated due date is typically 40 weeks from the first day of your last menstrual period (LMP), or based on conception date or ultrasound.

Trimester milestones

Track first, second and third trimester milestones — from first heartbeat to anatomy scan to full-term.