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Age Calculator
Find an exact age between two dates.
What does an age calculator do?
An age calculator determines a person's age on a chosen date. It can show the result in years, months and days and can also estimate the number of days until the next birthday.
Why use a calculation date?
Using a specific “calculate age on” date makes the result reproducible. This can be useful for forms, planning, eligibility checks and simply finding an exact age on a past or future date.
Date calculations can be affected by calendar rules and date-entry conventions. This tool uses the dates supplied by the user and performs the calculation in the browser.
Age calculator FAQ
Can I calculate age on a future date?Yes. Enter a future date in the calculation-date field.
Does it show total days?Yes. The result includes the total elapsed days between the two dates.