Age Calculator
Calculate your exact age in years, months and days — instantly.
Enter dates to see your result.
Note: results use calendar math (including leap years).
How this age calculator works
- You choose your birth date and an “as of” date.
- We compute the exact difference using calendar units.
- You get a clear breakdown: years, months, days + totals.
FAQ
Is this age calculator accurate?
Yes. It uses real calendar dates and accounts for leap years.
Can I calculate my age on a future date?
Yes — set the “as of date” to any future date.
Why do I get a different result than another website?
Some sites approximate months as 30 days. This tool uses calendar months.
Do you store my dates?
No. Calculations happen locally in your browser.