maratoolAge Calculator — Exact Age from Birth Date
Enter birth date and optional target date to see exact age in years, months, days, and total days.
—Years
—Months
—Days
—Total days
How to use
- Enter the birth date.
- Optionally set a target date (defaults to today).
- See exact age in years, months, days, and total days.
Frequently asked questions
How is age calculated?
Age is computed as the difference between birth date and target date in years, months, and days.
Does it handle leap years?
Yes. Date arithmetic accounts for varying month lengths and leap years.
Can I calculate age on a past date?
Yes. Set any target date to see age as of that date.
Is my data sent to a server?
No. All calculations happen in your browser.
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