Utility

Age Calculator — Exact Age in Years, Months & Days

Compute exact age from a birth date, see next birthday countdown and total days lived. Private — calculations run in your browser.

Try it now — enter a birthdate and click Calculate.

Tip: leave "Compare to" blank to use today's date. All calculations run locally — no data leaves your browser.
Private — client-side only. Use for convenience.

Frequently asked

How is the age calculated?
We compute years, months and remaining days between dates using calendar-aware arithmetic (handles leap years).
Is my birthdate stored?
No. All calculations run client-side in your browser. Nothing is uploaded.
© Age Calculator — Private & Client-side
Estimates only. Always cross-check details with official records before relying on results.