Age Calculator, Calculate your Age in Years, Months, Days, Hours, Seconds and Milliseconds, Age calculator is online tool to calculate age from date of birth to current date. It can also be used to calculate time difference between two dates. The output format of the time difference is in terms of years, months, days, hours, seconds & milliseconds. The calculation of age or time difference does not depend on the timezone of the person as the output is the difference of the time. This age calculator is created on the basis of most common age system, so that it stays relevant for most of the people.