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Age Calculator
Enter your date of birth to see your exact age, total days lived and your next birthday.
How age is calculated
We count full years since your birth date, then full months, then the remaining days. Leap years are handled correctly. If you were born on 29 February, your birthday in other years is counted on 1 March.
You can change the second date to find your age on any date, such as an exam or job application deadline.
Frequently asked questions
How do I calculate my age for a form?
Set the second date to the cut-off date on the form. The result shows your exact age on that day.
Does it count leap years?
Yes. Real calendar dates are used, so leap years and different month lengths are included.