1How to use this tool
Estimate your baby's estimated due date instantly using our gestational age tracker:
- Select the date of your Last Menstrual Period (LMP) in the calendar field.
- Enter your average Cycle Length in days (default is 28 days).
- Instant outputs will show your estimated due date, conception window, current gestational week, and remaining days.
2Benefits and Use Cases
- Week-by-Week Breakdown: Instantly view your current pregnancy week and trimester milestones.
- Accurate Estimation: Uses Naegele's rule adjusted for your cycle length.
- Privacy Safe: No health data leaves your browser.
Frequently Asked Questions
How is the pregnancy due date calculated?
Most due dates are calculated based on the first day of your last menstrual period (LMP) by adding 280 days (40 weeks) adjusted for your cycle length.
What is gestational age?
Gestational age measures how far along a pregnancy is, counting from the first day of the last menstrual period, rather than the date of conception.
How are the calculations determined?
We use standard scientific and public formulas (such as WHO standards for health trackers or standardized calendar maths).