Pregnancy Calculator – Find out exactly what week you are in

With this tool, you can find out the exact week of pregnancy based on the date of your last menstrual period (LMP).
✅ Fast and accurate – Just enter the date and get the result instantly.
✅ Avoid errors – Automatic calculations without manual formulas or complications.
✅ Follow your progress – See how your pregnancy progresses week by week.
Use our calculator now and get results in seconds.

Example Calculation with the Pregnancy Calculator

Imagine your last period was on February 1st:
📅 Last period: February 1
📅 Current date: March 25
📐 Formula applied: (March 25 – February 1) ÷ 7
📊 Result: 7 weeks pregnant

This means you are approximately seven weeks pregnant.
📢 Keep track of your progress today with our calculator.

How Does Our Pregnancy Calculator Work?

Our calculator follows a simple three-step process:

1️⃣ Data Entry
Date of last menstruation 🩸 This is the starting point for estimating the weeks.
Average menstrual cycle length 📆 Optional, for greater accuracy.

Why is it important?
Most medical professionals use the LMP as a reference for calculating pregnancy. It's reliable and easy to remember.

2️⃣ Automatic Calculation
📐 Formula used:
Pregnancy weeks = (Current date – LMP) ÷ 7
The calculation tells you how many weeks have passed since the beginning of the pregnancy.

3️⃣ Results and Recommendations
🔹 If you are in your first trimester, schedule your first checkup.
🔹 If you already know your week, track your progress and stay informed.

📢 Support your journey with clear data and reliable guidance from the start.

This is only for entrepreneurs, business owners and freelancers

Having clarity at every stage of your life also boosts your productivity.
With this calculator, you can keep track of your pregnancy without losing focus on your business or freelance work.

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What is the Pregnancy Calculator?

The Pregnancy Calculator estimates how many weeks pregnant you are from the date of your last period.
It's a practical tool to know what stage you're at and anticipate the next steps.
👉 Boost your well-being and make informed decisions with reliable data.

Recommended books to follow your pregnancy week by week

These books will help you understand each phase of pregnancy, resolve common questions, and navigate the process with greater confidence and knowledge.

1️⃣ What to Expect When You're Expecting – Heidi Murkoff
Complete guide to each week of pregnancy and how to prepare for childbirth.
2️⃣ The Big Book of Pregnancy – American College of Obstetricians and Gynecologists
Resolve medical questions and learn all the details of your baby's development.
3️⃣ My Pregnancy Day by Day – Maggie Blott
Explore week by week how your body changes and your baby grows.

Why Use Our Pregnancy Calculator?

✅ Speed – Instant results without manual calculations.
✅ Accuracy – Based on the formula used by gynecologists.
✅ Ease – You only need one piece of information: your last period.
✅ Practical application – Ideal for pregnant women, clinics, and doulas.

Avoid These Common Mistakes When Using the Pregnancy Calculator

🚫 Not remembering the exact date of your last period – Use your best estimate if you can’t remember.
🚫 Not considering your actual cycle length – If it’s very irregular, the calculation may vary.
🚫 Thinking the result is an exact date of conception – It only indicates the approximate time from LMP.

Avoid mistakes and maintain more realistic control from the start.

Comparison: Pregnancy Calculator vs. Traditional Methods

✅ Faster – No need for physical calendars or gestograms.
✅ More accurate – Automatically calculates based on the current date.
✅ Easier – No formulas or prior knowledge required.
✅ More accessible – You can use it for free from any device.

Discover the modern way to track your pregnancy.

Frequently Asked Questions about the Pregnancy Calculator

How do I calculate how many weeks pregnant I am?
Just enter the date of your last period and the tool will give you the exact week.

How accurate is this calculator?
It's as accurate as your LMP date. It's the standard method in obstetrics.

Can I know my expected due date?
Yes. If you are in an early week, you can estimate it by adding 40 weeks from the LMP.

What happens if I have irregular cycles?
In that case, the calculation may vary slightly. For more precise information, consult a specialist.

Does this calculator work if I had a multiple pregnancy?
Yes. Only the growth tracking changes, but the start is calculated the same.

Can I use it if I've already had an ultrasound?
Yes. You can compare it with the ultrasound results to confirm or adjust the estimated date.

How do I know what trimester I'm in?
1-13 weeks: First trimester
14-27 weeks: Second trimester
28-40 weeks: Third trimester

What data do I need to use this tool?
You just need to remember the date of your last period.

Does this tool replace a medical visit?
No. It's indicative, not diagnostic. Always consult your healthcare professional.

When is the best time to have your first prenatal checkup?
Between week 6 and week 9 of pregnancy is ideal to start.