Pregnancy Due Date Calculator
Estimate your baby's arrival with our easy-to-use calculator.
Choose Calculation Method:
Based on Last Menstrual Period
Default is 28 days.
Understanding Your Due Date
An estimated due date (EDD) is a prediction of when your baby might be born. While it's called a "due date," only about 4-5% of babies are born on their exact due date. It's more like a "due week" or "due month." This calculator provides an estimate based on common methods.
How is a Due Date Calculated?
There are several ways to estimate a due date:
- Last Menstrual Period (LMP): This is the most common method...
- Conception Date: If you know the exact date of conception...
- Ultrasound: An early ultrasound...
What is Gestational Age?
Gestational age is the term used to describe how far along a pregnancy is...
Pregnancy Trimesters
Pregnancy is divided into three trimesters:
- First Trimester: Week 1 to end of Week 13...
- Second Trimester: Week 14 to end of Week 27...
- Third Trimester: Week 28 to birth...
Accuracy of Due Date Calculators
Due date calculators provide an estimate...
Why Might a Due Date Change?
Your initial due date based on LMP might change if...
Always consult with your doctor or midwife for the most accurate information...
Disclaimer: This calculator is for informational purposes only...
We’d love to Collaborate!
Are you a blogger, educator, or wellness creator supporting women on their fertility or motherhood journey? You can now embed our free pregnancy tools directly on your site — giving your audience instant access to:
Ovulation + Fertility Calculator
Due Date Estimator
Gender Predictor
It’s easy to install, fully branded to match your content, and 100% free.