🤰Pregnancy Due Date Calculator
Estimated due date from your last period.
Disclaimer: These tools are for general information and educational use only and are not medical advice, diagnosis or treatment. Individual health needs vary. Always consult a qualified doctor or healthcare professional before making health decisions.
About Pregnancy Due Date Calculator
Estimate your pregnancy due date and current week from the first day of your last menstrual period (Naegele's rule, LMP + 280 days). An estimate only — not medical advice.
🔒 Private by design — this tool runs entirely in your browser. Nothing you enter is uploaded to a server.
Frequently asked questions
How is the due date calculated?＋
It uses Naegele's rule: 280 days (40 weeks) added to the first day of your last menstrual period. It's an estimate.
Is this a substitute for a doctor?＋
No. This is an estimate for general information only — always confirm with your healthcare provider.