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Exact age calculator
Enter a date of birth and an “age on” date to calculate the calendar difference in years, months and days. The default comparison date is today in the visitor’s browser.
Calendar months have different lengths, so exact age is determined by calendar boundaries rather than simply dividing a total number of days by 365.
Questions
Frequently asked questions
Can I calculate age on a past or future date?
Yes. Change the comparison date to the date on which you want the age calculated.