Pregnancy Conception Calculator | Professional Tool for Expecting Parents

Pregnancy Conception Calculator

Estimate your conception date based on due date, last period, or ultrasound

Calculate Based On:

Due Date

Last Period

Ultrasound

Your Due Date:

First Day of Last Period:

Ultrasound Date: Gestational Age at Ultrasound (weeks):

Enter your information and click "Calculate" to estimate your conception date and pregnancy timeline.