🎂 Life Math
Age Calculator
Enter a date of birth and get an exact age broken down into years, months, and days, plus total days lived.
How to use it
- Enter your (or someone else's) date of birth.
- Press "Calculate age."
- See the exact age and total number of days lived.
FAQ
Does it account for leap years?
Yes, the calculation uses actual calendar dates, so leap years are handled automatically.
Can I calculate age as of a past or future date?
Currently it calculates age as of today; for a specific target date, use the Date Difference tool instead.
Is my birth date stored anywhere?
No, everything runs in your browser and nothing is sent or saved anywhere.
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Date Difference
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Days left until you clock out forever.