Age Calculator
Calculate your exact age in years, months, and days. Handles leap years, shows total days lived, and counts down to your next birthday.
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Years
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Months
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Days
Total Months
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Total Weeks
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Total Days
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Next Birthday
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Frequently Asked Questions
Does it handle leap years correctly?
Yes — the calculator fully accounts for leap years, including February 29 birthdays.
Can I calculate age between two past dates?
Yes — use the "Calculate on date" field to set any target date.
What if I enter a future birth date?
The tool will show a validation error — birth date cannot be in the future.
How is "next birthday" calculated?
It finds the upcoming occurrence of your birth month/day. For Feb 29 birthdays, it uses Feb 28 in non-leap years.