Total days lived
—
Age Calculator
Calculate exact age
Enter a birthdate and calculate age as of today or another date.
How the chronological age calculator works
Input
Date of birth
Enter your birthday
Target date
Defaults to today
Calculate age
Show age breakdown
Results
Exact age
Yrs · months · days
Days lived
Total day count
Next birthday
Date + days away
Generation
Based on birth year
Example age calculation
Date of birth
May 31, 1971
Target date
Today
Result
Age + next birthday
Common age calculator questions
Is this a chronological age calculator?
Yes — it measures the time between your date of birth and whatever target date you choose.
How do I calculate my age on another date?
To do this simply change the target date to any past or future date.
Will the calculator show my next birthday and countdown?
It will. The results will show your next birthday date and days remaining.
Can I use DD/MM/YYYY instead of MM/DD/YYYY?
You can use the date format toggle to switch between MM/DD/YYYY and DD/MM/YYYY.