Pregnancy Calculator

Accurate pregnancy calculator that tracks gestational age in weeks+days. Input your LMP date to get instant due date estimation, pregnancy progress percentage, and trimester timeline. Mobile-friendly medical-grade tool.

Pregnancy Calculator

How Pregnancy Dating Works

  • ✓ Based on Naegele's Rule calculation method
  • ✓ Standard 280-day pregnancy duration
  • ✓ LMP-based gestational age tracking

Note: This calculator assumes regular 28-day cycles. Consult your OB-GYN for personalized assessment.

Pregnancy Calculator FAQs

Q: How accurate is this calculator?

Accuracy depends on regular menstrual cycles. Ultrasound dating after 8 weeks is more precise.

Q: What if I don't know my LMP?

Use our conception date calculator if you know your ovulation date.

EN CN