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Age Calculator

Age Calculator online calculates one's age in years, months, weeks, days, hours, minutes and seconds.
Select and input your date of birth and the date to be calculated at, and then click the "Calculate" button to see how old you are.
Date of Birth:
mm/dd/yyyy
Age at the Date of:
mm/dd/yyyy

The age of a person can be counted differently in different cultures. This calculator is based on the most common age system, in which, age grows at the birthday.


In some cultures, age is expressed by counting years with or without including the current year. In one of the traditional Chinese age systems, people are born at age 1 and the age grows up at the Traditional Chinese New Year instead of birthday.


More Information: More about Time