Age Calculator
Calculate your exact age in years, months, weeks, and days from your date of birth. Also find out how many days until your next birthday.
Frequently Asked Questions
How is age calculated exactly?
Age is calculated by finding the difference between your date of birth and the current date (or a selected date), accounting for years, months, and days including leap years.
Can I calculate age as of a future or past date?
Yes, use the optional 'Calculate Age As Of' field to find your age on any specific date, not just today.
Why does my age calculation differ from other calculators?
Most differences come from how leap years and month-day boundaries are handled. Our calculator uses precise calendar-based calculation for accuracy.