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Age Checker

Age Checker

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This calculator checks whether a birth date meets a minimum required age (e.g. 18) as of a given date, and shows exactly when eligibility begins.

Enter a birth date and a required minimum age to instantly see whether the eligibility threshold has been met, plus the exact date it was (or will be) reached.

This is the calculator to use whenever a rule depends on a specific age cutoff rather than just "how old is this person" — voting age (18 in most countries), alcohol or tobacco purchase age (18 or 21 depending on jurisdiction), retirement or pension eligibility, insurance rate changes, or a competition's age gate. The eligible date is computed as the exact calendar anniversary of the birth date in the year the required age is reached, so it also works for checking eligibility in advance of a future date.

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  • Common uses: voting age (18), alcohol purchase age (varies by country, often 18 or 21), retirement eligibility (e.g. 65), or contest/promotion age gates.
  • Eligible date: calculated as the birth date's anniversary in the year the required age is reached.
  • As of date: defaults to today, but can be changed to check eligibility on a specific past or future date (e.g. an event date).

How do I check if someone is old enough to vote?

Enter their birth date, set required age to 18 (or your country's voting age), and check "as of" the election date.

Does this account for different legal ages by country?

No — enter whatever minimum age applies in your jurisdiction using the Required Age field.