Free Pregnancy Calendar Calculator
All your pregnancy key dates in one click
Your Pregnancy Summary
Your Complete Pregnancy Calendar
| Dates | Weeks Pregnant | Weeks Since Last Menstrual Period (LMP) | Months |
|---|---|---|---|
| DD/MM/YYYY | Week 1, X days | Week 1 | X month pregnant |
| DD/MM/YYYY | Week 2, X days | Week 2 | X month pregnant |
| DD/MM/YYYY | Week 3, X days | Week 3 | X month pregnant |
| DD/MM/YYYY | Week 4, X days | Week 4 | X month pregnant |
| DD/MM/YYYY | Week 5, X days | Week 5 | X month pregnant |
📅 YOUR IMPORTANT DATES
DD/MM/YYYY
DD/MM/YYYY
Around DD/MM/YYYY
Around DD/MM/YYYY
🏥 ULTRASOUND SCHEDULE
To be made between DD/MM/YYYY and DD/MM/YYYY
To be made between DD/MM/YYYY and DD/MM/YYYY
To be made between DD/MM/YYYY and DD/MM/YYYY
🩺 PRENATAL APPOINTMENT SCHEDULE
Visit your healthcare provider once a month until week 28
Visit every two weeks from DD/MM/YYYY to DD/MM/YYYY
Weekly visits starting from DD/MM/YYYY
Between weeks 35-37 (DD/MM/YYYY - DD/MM/YYYY)
The interactive pregnancy calendar above transforms your dates into a complete visual timeline of your entire pregnancy journey.
See your pregnancy progression week-by-week in an easy-to-read calendar format, with color-coded trimesters and milestone markers for medical appointments.
What You'll Get
Your Baby's Due Date
Get the estimated date when your little one will arrive
Ultrasound Schedule
Know exactly when to book your important scans
Doctor Visit Dates
Schedule your prenatal appointments ahead of time
Maternity Leave Planning
Get suggested dates to start your leave
How the Pregnancy Calendar Tool Works
Our pregnancy calendar is an interactive tool that creates a personalized visual timeline of your entire 40-week pregnancy journey. Unlike simple due date calculators that only show your estimated delivery date, this calendar displays a complete week-by-week progression table showing exactly where you are today and what's coming next throughout your pregnancy.
The calendar automatically calculates and displays your current gestational age in both weeks and months, highlights your current week in the timeline table, and provides specific date ranges for all three ultrasound appointments, prenatal visit schedules, and other important pregnancy milestones. This comprehensive calendar view eliminates the need to manually count weeks or guess when appointments should occur - everything is calculated instantly based on your last menstrual period or conception date.
Reading Your Pregnancy Calendar Results
When you enter your dates and click calculate, the pregnancy calendar generates a scrollable table showing 10 weeks of your pregnancy timeline centered on your current week. The row corresponding to today is highlighted with a pink background and "Today" badge, making it easy to see exactly where you are in your pregnancy journey. Each row shows the calendar date, how many weeks and days pregnant you'll be, and which pregnancy month that corresponds to.
Below the calendar table, you'll find color-coded sections for your important dates. The pink section displays your theoretical due date and estimated conception date. The ultrasound schedule section breaks down the recommended timing windows for your three mandatory pregnancy ultrasounds - the dating scan around 12 weeks, the anatomy scan around 22 weeks, and the growth scan around 32 weeks. Each ultrasound listing includes both the ideal week and the acceptable date range.
The prenatal appointment schedule section shows when to transition from monthly to bi-weekly to weekly visits as your pregnancy progresses. This automatic scheduling based on your due date ensures you know exactly when to book appointments throughout your pregnancy. The calendar also includes the Group B strep testing window (weeks 35-37) and suggested maternity leave start date, making it a complete planning tool for your entire pregnancy.
Calendar Features for Each Trimester
During the first trimester (weeks 1-12), the pregnancy calendar helps you schedule your crucial early appointments. You'll see when to book your first prenatal visit (typically around week 8), when your dating ultrasound should occur (between weeks 11-13), and when first trimester screening is available. The calendar's progress bar visually shows you advancing through these critical early weeks when your baby's major organs are forming.
The second trimester (weeks 13-26) calendar view highlights the anatomy scan window and shows your transition through pregnancy months 4, 5, and 6. This is when the calendar becomes especially useful for planning, as you can see the optimal weeks for travel, major purchases, and physical preparations. The calendar helps you track the exciting milestone of reaching the halfway point at 20 weeks and approaching viability around week 24.
In the third trimester (weeks 27-40+), the pregnancy calendar shifts focus to labor preparation and final appointments. You'll see exactly when your visits become more frequent - bi-weekly starting at week 28 and weekly from week 36 onward. The calendar shows your full-term window (37-42 weeks) and helps you count down the final weeks until meeting your baby. This is also when our contraction timer becomes essential for timing early labor.
Complementary Pregnancy Tools
While the pregnancy calendar provides a comprehensive overview, our specialized calculators offer focused functionality for specific needs. Use our pregnancy week calculator when you just need a quick answer to "how many weeks pregnant am I right now?" without viewing the full calendar. This streamlined calculator shows your exact gestational age down to the day, along with your trimester and important upcoming milestones.
The pregnancy month calculator is perfect for communicating with family and friends who think in monthly rather than weekly terms. It converts your gestational age from weeks into pregnancy months using the standard medical month definitions, so you can easily answer "which month are you in?" The month calculator also shows the week ranges that comprise each pregnancy month.
Before pregnancy, the ovulation calculator helps you identify your fertile window to maximize conception chances. After conception, the pregnancy calendar takes over to guide you through the full 40 weeks. Then as you approach delivery, the contraction timer helps you monitor labor patterns. Together, these tools create a complete pregnancy tracking suite from conception through delivery.
Why Use an Interactive Pregnancy Calendar
Static pregnancy wheels and paper calendars require manual calculations and can be confusing to read accurately. Our interactive digital pregnancy calendar eliminates calculation errors by automatically computing all dates based on proven medical formulas. The instant visual feedback shows you exactly where you are in the pregnancy timeline, and the calendar updates if you need to adjust your dates based on early ultrasound measurements.
The calendar format makes it easy to plan ahead by showing future appointment windows and milestones at a glance. Rather than trying to remember or manually calculate when your anatomy scan should be scheduled, you can simply look at your calendar results and see the specific date range. This visual planning tool helps coordinate work schedules, travel plans, and life events around your pregnancy progression and medical appointments.
Having all your pregnancy dates in one centralized calendar view provides peace of mind and organization during a time that can feel overwhelming. You can bookmark your results, take screenshots, or print the calendar to share with your partner, family, or healthcare provider. The comprehensive nature of the calendar - showing weeks, months, trimesters, and appointments all together - makes it a valuable reference throughout your entire pregnancy journey.
Start Planning Your Pregnancy Today
Enter your last menstrual period date in the calculator above to generate your personalized pregnancy calendar. If you're still trying to conceive, start with our ovulation calculator to identify your fertile window. Already know your due date but want week-by-week details? Check our week-by-week guide for comprehensive information about each stage of pregnancy.
All our pregnancy tools are completely free, medically accurate, and designed to work together to give you complete control over tracking and planning your pregnancy journey from conception through delivery.
Pregnancy Calendar FAQ
How does the pregnancy calendar table work?
The pregnancy calendar displays a scrollable 10-week timeline centered on your current week. Each row shows the calendar date, weeks and days pregnant, and corresponding pregnancy month. Your current week is highlighted in pink with a "Today" badge, making it easy to see exactly where you are in your pregnancy journey at a glance.
What's the difference between this calendar and a simple due date calculator?
While a basic due date calculator only shows your estimated delivery date, our pregnancy calendar provides a complete visual timeline including your current gestational age, trimester progress bar, week-by-week progression table, ultrasound schedules with specific date ranges, and prenatal appointment timing. It's a comprehensive planning tool rather than just a single date estimate.
How accurate is the pregnancy calendar?
The calendar uses the standard medical calculation method (Naegele's Rule) that adds 280 days to your last menstrual period, the same method healthcare providers use worldwide. Your first trimester ultrasound may adjust your dates by a few days if fetal measurements suggest a different conception timing. The calendar is highly accurate for planning appointments and milestones, though remember only 5% of babies arrive on their exact due date.
Used by thousands of expecting mothers worldwide
Free, accurate, and easy to use