Use our Pregnancy Calculator to estimate your due date, track your pregnancy progress, and get detailed week-by-week insights into your baby's growth.
The Pregnancy Calculator by ToolsGen helps you estimate your due date (EDD), current pregnancy week, and trimester stage based on your last menstrual period (LMP) or conception date.
Pregnancy typically lasts around 40 weeks (280 days) from the first day of your last menstrual period. This tool makes it easy to calculate your estimated delivery date without manual counting.
If you also want to track healthy weight gain during pregnancy, you can use our Pregnancy Weight Gain Calculator alongside this tool.
Most pregnancy calculators use Naegele’s Rule, which estimates the due date by:
to the first day of your last menstrual period (LMP).
Instead of doing this manually, ToolsGen calculates instantly and accurately.
If you need to calculate exact days between medical appointments, our Date Difference Calculator can help track milestones.
After entering your details, you will see:
This helps expecting parents plan medical checkups and preparations.
Using the tool is simple:
The tool instantly shows your due date and pregnancy stage.
Pregnancy is divided into three trimesters:
First Trimester (Week 1–12)
Second Trimester (Week 13–26)
Third Trimester (Week 27–40)
You can track healthy weight progress during these stages using our Pregnancy Weight Gain Calculator.
If your last menstrual period started on:
1 January 2026
Your estimated due date would be:
8 October 2026
Instead of manual calculation, ToolsGen gives instant results.
Knowing your due date helps with:
For financial preparation before delivery, you can estimate savings growth using our Compound Interest Calculator.
If you are trying to conceive, you may also use our Ovulation Calculator to determine fertile days and increase conception chances.
Together, these tools create a complete pregnancy planning system.
No. Only about 5% of babies are born exactly on their due date.
Delivery may happen:
The due date is an estimate, not a guarantee.
It is simple, accurate, and globally accessible.
Proper nutrition during pregnancy is essential. You can calculate daily protein needs using our Protein Calculator to support baby development and maternal health.
Pregnancy is both an emotional and financial journey. Planning ahead for medical costs, baby products, and future expenses is important. ToolsGen offers financial calculators like:
Gaining Too Much:
These help plan savings before delivery.
Find answers to common questions about our Pregnancy Calculator
The Pregnancy Calculator by ToolsGen helps you estimate your due date (EDD), current pregnancy week, and trimester stage based on your last menstrual period (LMP) or conception date.
Pregnancy typically lasts around 40 weeks (280 days) from the first day of your last menstrual period. This tool makes it easy to calculate your estimated delivery date without manual counting.
If you also want to track healthy weight gain during pregnancy, you can use our Pregnancy Weight Gain Calculator alongside this tool.
Most pregnancy calculators use Naegele’s Rule, which estimates the due date by:
Adding 1 year
Subtracting 3 months
Adding 7 days
to the first day of your last menstrual period (LMP).
Instead of doing this manually, ToolsGen calculates instantly and accurately.
If you need to calculate exact days between medical appointments, our Date Difference Calculator can help track milestones.
After entering your details, you will see:
Estimated Due Date (EDD)
Current pregnancy week
Current trimester
Days remaining until delivery
Important pregnancy milestones
This helps expecting parents plan medical checkups and preparations.
Using the tool is simple:
Enter the first day of your last menstrual period (LMP)
Or enter your conception date
Click calculate
The tool instantly shows your due date and pregnancy stage.
Pregnancy is divided into three trimesters:
First Trimester (Week 1–12)
Early development begins
Hormonal changes occur
Morning sickness common
Second Trimester (Week 13–26)
Baby growth accelerates
Symptoms often reduce
Visible baby bump
Third Trimester (Week 27–40)
Rapid weight gain
Baby organs mature
Preparation for delivery
You can track healthy weight progress during these stages using our Pregnancy Weight Gain Calculator.
If your last menstrual period started on:
1 January 2026
Your estimated due date would be:
8 October 2026
Instead of manual calculation, ToolsGen gives instant results.
Knowing your due date helps with:
Scheduling prenatal visits
Planning maternity leave
Preparing financially
Monitoring fetal development
Organizing baby essentials
For financial preparation before delivery, you can estimate savings growth using our Compound Interest Calculator.
If you are trying to conceive, you may also use our Ovulation Calculator to determine fertile days and increase conception chances.
Together, these tools create a complete pregnancy planning system.
No. Only about 5% of babies are born exactly on their due date.
Delivery may happen:
1–2 weeks before
1–2 weeks after
The due date is an estimate, not a guarantee.
Expecting mothers
Couples planning pregnancy
First-time parents
Healthcare educators
Family planners
It is simple, accurate, and globally accessible.
Proper nutrition during pregnancy is essential.
You can calculate daily protein needs using our Protein Calculator to support baby development and maternal health.
Pregnancy is both an emotional and financial journey.
Planning ahead for medical costs, baby products, and future expenses is important. ToolsGen offers financial calculators like:
Simple Interest Calculator
Compound Interest Calculator
Gaining Too Much:
Gestational diabetes
Cesarean delivery
Postpartum weight retention
These help plan savings before delivery.
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