Age Calculator β How Old Am I?
Calculate your exact age in years, months and days from your date of birth.
Select your date of birth
Formula
Age is calculated as the difference between the current date and the date of birth. Full years, months, and days are determined accounting for varying month lengths and leap years.
Examples
About the Age Calculator
The Age Calculator determines your exact age from your date of birth β in full years, months, and days. This is useful for filling out forms, processing documents, calculating pension tenure, and many other situations where exact age is needed.
Additionally, the calculator shows how many days remain until your next birthday. Results update instantly when you select a date, and all calculations run locally in the browser without sending data to a server.
The calculation accounts for leap years and varying month lengths. The algorithm correctly handles February 29 birthdays and edge cases at month boundaries.
Benefits
Accurate Results
Age is calculated to the day, accounting for leap years and varying month lengths. Results match official documents.
Days Until Birthday
The calculator automatically shows how many days until your next birthday β convenient for planning.
Privacy
All calculations run locally in your browser. Your date of birth is not sent to any server and is not stored.
FAQ
What does the age calculator show?
The calculator shows your full age in years, months, and days, plus the number of days until your next birthday. The calculation is performed relative to the current date.
How is February 29 handled?
If you were born on February 29, the calculator correctly calculates your age. In non-leap years, the birthday is considered March 1 for determining full years.
How accurate is the calculation?
The calculation is accurate to one day. It uses the standard calendar algorithm that accounts for leap years and varying month lengths.
Can it be used for official documents?
The calculator uses the standard age determination algorithm adopted in most countries. Results match calculations in government systems. However, for legal documents, we recommend verifying with official sources.
Can I calculate future age?
The calculator computes current age relative to today's date. To calculate age on a specific future date, use the Days Between Dates calculator.