Pregnancy Due Date Calculator

Estimate your baby’s due date quickly and easily. Just enter the first day of your last period to get an accurate pregnancy timeline.

How to Use This Due Date Calculator

• Enter the first day of your last menstrual period (LMP).
• Click “Calculate” to see your estimated due date (based on a 40-week pregnancy).
• This is the standard method used by doctors for estimation.

FAQs

How accurate is this calculator?

It provides a general estimate based on a 40-week pregnancy cycle. For medical accuracy, always consult your healthcare provider.

Can I use ovulation date instead?

This tool is based on LMP. For ovulation-based calculators, the due date is usually 38 weeks from that date.

Will this work on mobile?

Yes — the tool is mobile-friendly and works on any browser.