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Added October 1, 2026

Chronological Age Calculator

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About the product

Enter a date of birth and get exact age in years, months and days — leap years and uneven months handled. A test-date mode gives age on an assessment date for speech therapy and child screenings (ASQ, BRIGANCE), plus corrected age for premature babies. Free, runs in the browser, no sign-up.
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Quarterly promotion

$35USD every 3 months

Card, Apple Pay and more, through Whop. Starts straight away.

  • Cancel any time from the Whop account you paid with, or email [email protected] and we will do it.
  • The promotion starts straight away, no waiting on us.
  • Whop handles the checkout. We never see your card.

Questions first? Email [email protected].

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