This age difference calculator determines the age gap in relationships or the simple time difference between the births of two people. Below the form you can find out how the calculations are made and check an example. How does this age difference calculator work? This is a quick calculator that allows you to compute the age difference in a relationship or between any two people. It simply generates the ages of the two subjects according to the birth dates you input in the form and once you press Calculate it delivers the result. Please note that there is no importance on the order the two dates of birth are specified as the age difference calculator makes the absolute difference between the chronological age in each case and specifies which person is older.