Share
Estimate due date from LMP, conception, or ultrasound.
Sat, February 27, 2027
280 days to go
Gestational age
0w 0d
Trimester
1st
LMP
May 23
This is an estimate based on Naegele's rule. Only ~5% of babies arrive on their exact due date. Always consult your healthcare provider for medical decisions.
Estimate your baby's due date using last menstrual period (LMP), conception date, or ultrasound dating. Calculates gestational age in weeks, trimester progress, and important milestone dates. Naegele's rule with adjustable cycle length.
Share this tool
