Pregnancy Due Date
Calculate your estimated due date (EDD) and pregnancy milestones from the first day of your last period.
Pregnancy Due Date
Estimated delivery date using Naegele's Rule (LMP + 280 days)
Formula & Method
Naegele's rule: EDD = LMP + 280 days (40 weeks); trimester and milestone breakdowns included
About This Calculator
Calculate your estimated due date (EDD) and pregnancy milestones from the first day of your last period.
More in General Health
View allBlood Sugar
Interpret your fasting or post-meal blood glucose level and understand whether it is normal, pre-diabetic, or diabetic.
Ovulation / Fertility
Find your fertile window and predicted ovulation day based on your average cycle length.
Sleep Cycle
Calculate optimal wake-up times based on 90-minute sleep cycles so you feel refreshed instead of groggy.
Explore All 18 Health Calculators
BMI, BMR, blood pressure, blood sugar, sleep cycle, and much more — all free.
⚕️ Medical Disclaimer
This calculator is for informational and educational purposes only. Results are estimates and may not reflect your individual health status. Always consult a qualified healthcare professional before making medical, dietary, or fitness decisions. In emergencies, call 112.