When to use this tool
- Check completed age in years.
- Calculate total days since a date.
- Measure anniversaries or account age.
Calendar
Age calculator
Enter a birth date to calculate age in years, exact elapsed duration, and total days.
Age in years
36
Exact distance
37 years
Total days
13326
Age Calculator: definition and examples
An age calculator measures elapsed time from a birth date or anniversary date to the current date.
How to use it
- Enter the birth or start date.
- Read completed years and exact distance.
- Copy total days if needed.
Example
A person born on 1990-01-01 has a completed age based on whether the birthday has occurred this year.
Frequently asked questions
Does completed age round up?
No. Completed age in years counts full years only.
Can I use this for account anniversaries?
Yes. Enter the account creation date instead of a birth date.