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Age Calculator
Calculate exact age in years, months, and days from a birth date.
About this age calculator
Calculate age from a date of birth for forms, school records, birthdays, eligibility checks, and planning.
Mavis Tools is built for quick utility work: paste the input, get the result, and move on. The page is static-first for speed, and the interactive work happens in your browser. That makes it useful for drafts, calculations, debugging snippets, and repeat everyday tasks.
This tool is intentionally focused. It does one job clearly instead of asking for an account or hiding the result behind a long workflow. Bookmark it if you need a fast age calculator that works on desktop and mobile.
FAQ
Can it calculate exact age?
Yes. It estimates years, months, and days from the selected date to today.
Does it store the birth date?
Yes. The tool runs in your browser, and the input is not uploaded to a server.
Can I use a future date?
Future dates are rejected because age must be calculated from a past date.