Age Calculator
Calculate exact age and countdown to the next birthday.
Works Offline
Privacy First
No Login
No API
Birth date
Age
Enter a valid birth date in the past.
About the Age Calculator
Enter a birth date to see the exact age in years, months, and days, total days lived, and a countdown to the next birthday.
Examples
Birth date
2000-01-01Output
26 years, 7 months, 5 daysRelated tools
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Frequently asked questions
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser