About Age Calculator
The Age Calculator computes your exact age in years, months and days, plus totals in months, weeks, days, hours, minutes and seconds. It also shows the day of the week you were born, counts down the days to your next birthday, and shares a few fun facts along the way. All calculation happens locally in your browser.
Features
- Exact age in years, months and days
- Total months, weeks, days, hours, minutes and seconds
- Day of the week of your birth
- Countdown to your next birthday
- Fun facts about your date of birth
Frequently Asked Questions
How is age calculated?
The tool counts full years, months and days, correctly handling month and day overflow so the result matches how we normally speak about age.
Does it count leap years?
Yes. Total days include leap-year days automatically, so the day count is exact.