Pregnancy Due Date Calculator
Congratulations on your pregnancy! Our free due date calculator estimates when your baby will arrive based on your last menstrual period (LMP). You’ll also see your current week of pregnancy, trimester, and important milestones ahead. Most pregnancies last about 40 weeks (280 days) from the first day of your last period.
How to Use This Calculator
- Enter the first day of your last menstrual period
- Optionally adjust cycle length if not 28 days
- View estimated due date
- See current week and trimester
Features
- Due date calculation
- Current pregnancy week
- Trimester identification
- Key milestone dates
- Conception date estimate
Frequently Asked Questions
Is this Pregnancy Calculator free to use?
Yes, our Pregnancy Calculator is completely free to use with no registration or signup required. Use it as many times as you need.
How accurate is the Pregnancy Calculator?
Our calculator uses standard mathematical formulas and provides accurate results. For critical financial or health decisions, always consult with a qualified professional.
Does this tool work on mobile devices?
Yes, this tool is fully responsive and works on all devices including smartphones, tablets, and desktop computers.
Disclaimer
This calculator provides an estimate only. Only about 5% of babies are born on their exact due date. Your healthcare provider will confirm your due date, possibly using ultrasound measurements.