Age Calculator
This age calculator helps you determine your exact age in years, months, weeks, days, hours, minutes, and seconds. Simply enter your date of birth and get instant results. All calculations are performed locally in your browser.
Precise Calculation
Get accurate age calculation down to the second, considering leap years and different month lengths.
Any Date Comparison
Calculate your age as of any specific date, not just today, for planning and historical reference.
Privacy Protected
All calculations are done locally in your browser. Your date of birth is never stored or sent to any server.
This free, browser-based Age Calculator computes your exact age in years, months, and days, plus totals for weeks, hours, minutes, and seconds. Choose between using today or a custom date, see your next birthday countdown, and share or print results. All calculations happen locally—your data never leaves your device.
- Enter your Date of Birth and click Calculate Age.
- Optionally switch to a Custom date to calculate age as of a specific day.
- Review the detailed breakdown (years → seconds) and the next birthday countdown.
- Use Share Results or Print Results if you need to save or send the summary.