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Date & Time CalculatorPregnancy & Baby

Baby Age Calculator

Calculate your baby's age in weeks, months, and days from their birth date. Track important developmental milestones for their exact age.

Updated 2025-01-153 min read

Calculator

Enter your values below

Select your baby's date of birth.

Leave blank to calculate for today.

Formula & Methodology

How this calculator works

Age = Today - Birth Date (converted to weeks, months, days)

Calculates the difference between today and the birth date, converting to weeks, months, and days with accurate month-length handling.

Frequently Asked Questions

Common questions about this calculator

Disclaimer

These calculators are for informational purposes only. While we strive for accuracy, results should not be used as the sole basis for important decisions.

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