Updated: 2026-07-11
βοΈ Last Menstrual Period
days (21-45)
π Pregnancy Details
Current Week
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Due Date
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Conception (est.)
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Progress
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Trimester-
ConceptionβΌ NowDue Date
π How to Use
This Pregnancy Calculator calculates current week, due date, and progress based on your LMP and cycle length. Track your pregnancy journey.
Pregnancy Calculator in 3 steps
- Enter your LMP (Last Menstrual Period) date
- Enter your cycle length (default 28 days)
- View current week, due date, estimated conception date, and progress bar
Three Trimesters
- First Trimester (Weeks 1-12) - Critical organ development
- Second Trimester (Weeks 13-27) - Rapid fetal growth
- Third Trimester (Weeks 28-40) - Fetal maturation and birth preparation