Enter Your Birth Date
We'll calculate your exact age.
Enter the full four-digit birth year. This keeps leap-year handling and date validation accurate.
Age Breakdown
- Total Months
- 0
- Total Weeks
- 0
- Total Days
- 0
- Total Hours
- 0
How It Works
Our age calculator determines your exact age by comparing your birth date to today's date.
The calculation accounts for leap years and varying month lengths to provide accurate results down to the day.
- Your age in years, months, and days.
- Total time lived in months, weeks, days, and hours.
- Days remaining until your next birthday.
Example Calculations
Born Jan 1, 2000
24 years
~8,766 days
Born Jul 15, 1995
29 years
~10,593 days
Born Mar 20, 2010
14 years
~5,113 days
Born Dec 31, 1985
39 years
~14,245 days
Frequently Asked Questions
How accurate is the age calculation?
The calculator is accurate to the day and accounts for leap years and different month lengths.
Can I calculate age for future dates?
This tool is designed for birth dates in the past. Use Date Difference for future date planning.
Why does my age sometimes differ by a day?
Results can vary by timezone and exact birth time. This calculator uses calendar days.
How many days until my next birthday?
The countdown is calculated automatically from today to your next birthday date.