Nov 21, 2025 · Find your estimated conception date using your last period, due date, or ultrasound scan. Did we solve your problem today? This calculator estimates when conception …

Our conception calculator, also known as a reverse due date calculator, is the answer to the question "When did I conceive?" as it estimates when your pregnancy was conceived.

This calculator provides an estimated pregnancy schedule based on the due date, last period date, ultrasound date, conception date, or IVF transfer date.

Calculate a conception date based on your due date, a DOB or your last menstrual period.

Jun 6, 2025 · Our Conception Date Calculator uses your due date to estimate when you got pregnant. (If you don't know your due date yet, just head over to our Due Date Calculator.)

Use this free pregnancy conception calculator to estimate your conception date, probable intercourse window, and due date in seconds.

Discover the ultimate conceived calculator that helps you estimate your conception date with precision. Our free conception calculator provides an easy-to-use calculator designed for …

This conception calculator will help you estimate the conception date of your child.

This conception calculator estimates conception date in case of an ongoing pregnancy or based on a date of birth.

Free online conception date calculator. Discover when you were conceived based on your birth date. Accurate estimates for early, late, and on-time births.