Free tool
Age calculator
Find an exact age on any date.
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How it works
How it works
The calculator counts whole years and months from the birth date and then the remaining days. It also shows totals and the days until the next birthday.
Example: someone born on March 15, 1990 is 36 years, 7 months and 9 days old on October 24, 2026. That is a little over 13,000 days. The calculator counts whole years and months first, then the leftover days. It also lists total months, total days, total weeks and the number of days until the next birthday, which is handy for planning a party, checking a minimum-age rule or filling in a form that asks for age in months.
FAQ
About this calculator
Does it handle leap years?
Yes, using real calendar dates.
What about someone born on February 29?
In non-leap years the anniversary is treated as the last day of February.
Is my date saved?
No. The math runs in your browser.
Is anything saved?
No. The math runs in your browser and nothing you enter is sent to us.
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General information, not tax or legal advice. How we write and check our tools.