Free Age Calculator
Calculate age from date of birth instantly. Get exact years, months, and days.
How it works
Enter Birth Date
Select your date of birth.
Choose Target Date
Select the date to calculate age at (defaults to today).
See Results
Get exact age in years, months, days, weeks, and total days.
Common use cases
Personal Use
Calculate your exact age or someone else's age.
Legal Documents
Verify age for contracts, applications, or legal requirements.
Event Planning
Calculate age at a future date for milestone birthdays.
HR & Payroll
Calculate employee age for benefits or retirement planning.
Frequently asked questions
How is age calculated?
Age is calculated by finding the difference between the birth date and target date, accounting for leap years and varying month lengths.
Can I calculate age at a future date?
Yes! Change the target date to any future date to see how old you'll be.
Is my data stored?
No. All calculations happen in your browser.