Pregnancy Due Date & Trimester Calculator
Calculate your estimated date of delivery (EDD), current gestational age in weeks/days, and milestone calendar using Naegele's rule.
📅 Conception & Period Data
26 days
28 days (Avg)
30 days
32 days
Days
1st Trimester (1-13w)
2nd Trimester (14-27w)
3rd Trimester (28-40w)
Current Gestational Age
18 Weeks, 2 Days
Days Remaining to Due Date
152 Days
Naegele's Rule for Due Date Estimation
Estimated Due Date is calculated by adding 280 days (40 weeks) to the first day of your last menstrual period (adjusted for cycle length variation from standard 28 days).