How Age is Calculated
Age is calculated by finding the difference between your date of birth and the current date, accounting for months and days accurately — including leap years.
Common Uses
- Verifying age for forms, applications, and legal documents
- Checking eligibility (school admission, retirement, senior discounts)
- Finding out how many days until your next birthday
- Calculating ages in different time units for fun
Frequently Asked Questions
How does the calculator handle leap years?
The JavaScript Date API handles leap year edge cases automatically. February 29 birthdays are calculated correctly.