Due Date Calculator

Estimate pregnancy due date using last menstrual period, ultrasound dating, conception date, or IVF transfer date. For education and planning only.

First Day of Last Period

Cycle Length

Ultrasound Date

Ultrasound Age Weeks

Extra Days

Conception Date

IVF Transfer Date

Embryo Age

Calculate As Of

Pregnancy Length

Estimated Delivery Date Not calculated

Trimester

Pregnancy Progress 0% complete

Week 0 0% complete Week 40

Due DateNot calculated

Weeks PregnantNot calculated

TrimesterNot calculated

Days Pregnant0 days

Days Until Due Date0 days

Estimated ConceptionNot calculated

Estimated LMPNot calculated

Full Term StartsNot calculated

Delivery WindowNot calculated

Due MonthNot calculated

Pregnancy MonthNot calculated

Dating MethodLMP

This calculator is for education and planning only. A due date is an estimate, not a guaranteed delivery date. Confirm pregnancy dating and care decisions with a doctor, midwife, or qualified healthcare professional.

Pregnancy Timeline

Stage	Estimated Date	Pregnancy Week	Notes