Date & TimeUpdated 2026-04-12
Age Calculator
Enter a birth date and as-of date to calculate age.
Result
Age years
36
Extra months
2
Total months
434
Formula Explanation
Age is calculated by comparing full calendar years and months between the two dates.
How to Use
- Enter the birth year, month, and day.
- Enter the as-of year, month, and day.
- Review age in years and months.
Examples
Example: From 1990-01-15 to 2026-04-12 is 36 years and 2 months.
FAQ
Does this use today's date automatically?
This demo uses an editable as-of date so the result is predictable and easy to test.
Why are days not shown?
The current result focuses on years and months. A day-level result can be added with the same schema.