Calculator · takes about ten seconds

When is your baby due?

Work out when your baby is due and how far along you are, from your last period, a dating scan, a known conception date, or an IVF transfer.

How would you like to date it?

This calculates based on a 40-week (280-day) pregnancy from your last menstrual period.

herjourney.com.au · Health education, not medical advice
Evidence: standard 280-day Naegele dating; clinic dating always takes precedence · © Her Journey 2026

Your whole journey, in one place.

Free to start. Evidence-led guidance from a midwife and a nurse, for every stage from cycle tracking to the fourth trimester.