One of the many features of Excel is being nosy. That's right, you can quickly calculate a persons age as long as you have their birth date.

How to Convert DOB to Age in MS Excel. Microsoft Excel provides a function that displays a person's age based on his date of birth. In your business, this function can help you keep track of your ...

=NOW ()-A2 Then, Excel would calculate the age in days by subtracting the date value entered in cell A2 from NOW (), which returns the current system date.

To calculate the whole age from the date of birth in Excel, you can use the YEAR and NOW functions. As an example, if the date of birth is added in cell A7, then to calculate the total age from ...

We show you how to use Excel to count days between two dates using the DAYS, DATEDIF, NETWORKDAYS, and TODAY functions, and Subtraction.