Conception Calculator

Track back to the exact moment your journey began.

What is a Conception Calculator?

A conception calculator estimates the date you conceived based on your last menstrual period or your doctor-provided due date. Since most women ovulate roughly 14 days after their period begins, this is the most likely window for fertilization to occur.

Why is the Conception Date Important?

Knowing your conception date helps you track exactly how many weeks pregnant you are and can be useful for planning and emotional connection to your pregnancy milestones.