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Pregnancy Tools

Due Date Calculator

Find out your estimated due date and see your key pregnancy milestones based on NHS guidelines.

First day of your last period

If you aren't sure, use the first day you think it was.

Average cycle length (days)

Most cycles are around 28 days.

Estimated Due Date

Your Pregnancy Timeline

Medical Disclaimer This calculator provides an estimate based on the date of your last period. Your actual due date will be confirmed by your midwife at your 12-week dating scan. Only about 5% of babies arrive on their exact due date!

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Disclaimer: The content on this website is for informational purposes only and does not substitute professional medical advice. Always consult your GP, midwife or Health Visitor.