Gestational Age Calculator
Calculate the gestational age based on the first day of the last menstrual period (LMP) or the conception date. Provides current gestational age in weeks and days, expected due date, and trimester information.
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How to use this tool?
- 1 Enter the requested data in the fields above carefully.
- 2 Click the calculate button to process the information instantly.
- 3 Analyze the detailed result and the formula explanation presented below.
- 4 You can print, share, or even embed the calculator on your own site for free.
Unlike traditional static calculators, our tools adapt to specific user needs. They include detailed explanations of the formulas used, ensuring transparency in results. Furthermore, our design is focused on user experience, eliminating distractions and focusing on what really matters: your data and conclusions.
Previous Results
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Frequently Asked Questions
Gestational age is the age of a pregnancy measured from the first day of the last menstrual period (LMP) to the current date, usually expressed in weeks and days.
The due date is calculated by adding 280 days (40 weeks) to the first day of the last menstrual period. This is known as Naegele's rule.
Yes, you can optionally enter the conception date. If provided, the calculator will use it to cross-check, but the primary calculation is based on LMP.
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