Baby Due Date Calculator

You might know you’re pregnant or you might suspect it, but either way, you’ll want to know your baby’s due date so you can best plan for the arrival of your bundle of joy. It’s a little more complicated than calculating nine months out from the time you think you conceived. But don’t worry if you’re bad at math, the Huggies® Due Date Calculator can take care of all the hard work for you!

Congratulations! Your due date is

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you are XX weeks and YY days pregnant

1st Trimester

MM DD

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MM DD

2nd Trimester

MM DD

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MM DD

3rd Trimester

MM DD

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MM DD

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Sorry, due to some technical issues we are unable to fetch your results. Please try again.

NOTE: Please remember this result is only an estimate. Your baby will arrive when he/she is ready. Consult your healthcare provider to determine your correct due date.

How To Use The Tool

First, you’ll need to know the first day of your last period, and how long your cycle is.

First day of your last period

The first day of your last period is important to know for pregnancy because it is often difficult to pinpoint the exact date of conception. By knowing when the first day of your last period is, we can gauge where you are in your cycle better.

Cycle length

If you are just starting your journey to conception, track your cycle for a few months to see how long each one is. The average cycle lasts 28 days but every women is unique so this can vary. Many women also have irregular cycles and irregular periods. There are apps that can help you track your cycle.

You ovulate roughly in the middle of your cycle, so knowing your cycle means knowing your ovulation days. This can help us estimate the conception date better as conception typically occurs during your ovulation phase.

How the Huggies® Due Date Calculator works

In the most basic terms, your baby’s due date is about 38 weeks from the date of conception. While the conception date isn’t always known, the Huggies® Due Date Calculator estimates it based on your last missed period. Most women’s cycles last about 28 days, but this is only an average. It’s best to track your own unique cycle length if possible.

With a 28-day cycle, the baby is typically conceived within the first 2 weeks of your 40 gestational weeks, and by week three, a baby has been created.


Huggies ®Due Date Calculator will also tell you the estimated dates of your first, second and third trimesters which are important milestones you’ll want to know (especially if you are prone to sickness during your first trimester!).

Can I plan my due date?

You might be a teacher who wants to give birth over the school holidays, or you might want to go on one last vacation before the baby arrives. Just remember that conception is a tricky thing, and it’s not always easy to predict the conception date, which impacts your ability to predict your due date. Despite many women’s best efforts, there’s no true way to pinpoint when you will give birth—baby comes when baby is ready.

Can my due date change?

Yes, your due date can change. Even doctors sometimes need to adjust the timeline due to irregular periods (and therefore an inexact conception date) or inaccurate ultrasound results. It’s generally not something to worry about.

Next steps

If you haven’t already done so, the first step is to book a prenatal appointment with your doctor. They can confirm your pregnancy and conception date (and your due date!) through a blood test, physical exam and/or ultrasound. Your doctor will be able to advise you best as the Huggies® Due Date Calculator is only an estimate.

And then comes the fun part: watching and feeling your baby grow. Every week, a new and exciting milestone is met and your baby gets bigger until before you know it, 40 weeks have flown by! Check out your pregnancy by week if you’re curious about what your little one is up to in there.