Age Calculator
Find your age in years, months and days from your date of birth. You can also choose a different date to calculate your age on a past or future day.
Your age
Your result will appear here.
How age is calculated
The calculator compares your date of birth with the selected “Age on date” and returns completed years, months and days. It accounts for different month lengths and leap years using calendar dates.
When can I use an age calculator?
Use it to check an age on a specific date for planning, forms or personal reference. Always follow the exact age rules required by the organisation requesting the information.
Frequently asked questions
Can I calculate age on a past date? Yes. Choose any date on or after the date of birth.
Does it account for leap years? Yes. The calculation uses calendar dates, including February 29 in leap years.