Expecting a baby? Our free pregnancy calculator helps you estimate your due date based on your last menstrual period or conception date. Plan your journey to motherhood. 

That Positive Test Brings a Million Questions. Let's Answer the First One.

Seeing that positive pregnancy test brings a whirlwind of emotions—excitement, joy, maybe a little bit of nervousness, and a million questions. But after the initial shock wears off, one of the very first and most exciting questions is: "When is my due date?"

Knowing this estimated date is the first real step in your pregnancy journey. It’s the date you’ll circle on your calendar, the milestone you'll plan around, and the anchor for all your upcoming doctor's appointments. A pregnancy due date calculator is a simple tool that gives you this magical date in just a few seconds.

How is a Due Date Calculated?

Your estimated due date is typically calculated to be 40 weeks (280 days) after the first day of your last menstrual period (LMP). It's a method that doctors have used for generations to predict your baby’s arrival. Our calculator uses this same principle to give you a reliable estimate.

Knowing your due date helps you:

• Track Milestones: Understand how far along you are and what to expect in each trimester.

• Plan Ahead: Prepare the nursery, arrange for maternity leave, and get everything ready for your new arrival.

• Receive Proper Medical Care: Your doctor will use this date to monitor your baby's growth and schedule important tests.

Find Your Estimated Due Date Instantly

It's very easy to get your personalized estimate:

1. Open the Pregnancy Calculator: Navigate to the FreeXTool Pregnancy Due Date Calculator.

2. Enter Your Information: Select the first day of your last menstrual period (LMP) from the calendar. If you know your exact conception date, you can use that instead.

3. See Your Date: The calculator will instantly show you your estimated due date, how far along you are, and other helpful information about your pregnancy timeline.

Pro-Tip: Remember, It's an "Estimated" Date!

Think of your due date as a "due week." Only about 5% of babies are born on their exact due date! A normal, full-term delivery can happen anytime between 38 and 42 weeks. Use your due date as a wonderful guide, but be ready for your little one to arrive on their own schedule.

Plan for the big day and beyond with these tools:

• Countdown Timer

• Date Calculator

• Age Calculator