How old are you, exactly?
Calculate your exact age in years, months and days, see how many days you have lived and find the countdown to your next birthday.
Enter your birth date
Enter your date of birth. You can also calculate your age on a different date.
Your exact age
Your age calculation and additional details will appear here.
Ready to calculate
Choose your birth date and click Calculate my age.
More than just your age in years
Calendar calculation
Years, months and days are calculated as calendar intervals rather than simply dividing total days by 365.
Next birthday
See the date of your next birthday and exactly how many days remain until it arrives.
Privacy friendly
The calculation happens in your browser. Your birth date does not need to be sent to a server to calculate your age.
How to use the Age Calculator
Choose your day, month and year of birth.
Keep today selected or choose another date.
See your exact age, total days lived and next birthday details.
How to use: Age calculation
How to use it and useful tips
Enter a birth date and comparison date to check age and elapsed time.
Why do results vary near birthdays?
Completed years depend on whether the birthday has passed that year.
Practical example
To calculate age on a particular date, enter the date of birth and the calculation date, then review the result in years, months and days.
Tip: Check the date format, especially when using the result in an official document.
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