Enter two birth dates in any order to see the exact age gap - down to the year, month, and day - and each person's current age.
Enter two dates of birth to see the exact generational age gap.
The calculator finds the exact calendar age of the older person on the younger person's date of birth, accounting for leap years and the real number of days in each month - not a simple 365-day average.
No. The calculator automatically figures out which date is earlier, so you can enter the two dates in either order.
Yes - it works for any two dates of birth, whether you're comparing relatives, friends, or historical figures.
The result is calculated locally in your browser. The details you submit may be logged to help us understand how the tool is used, but they are never shared publicly or tied to your identity unless you are signed in.