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how to make excel calculate age from date of birth. You might think that you could simply take the difference in days between the current date and the birth date divided by 365. In the first cell lets say A1 type the following formula.
Current Date Birth Date 365. YearsDATEDIFD4TODAYY Change D4 to. How Can Simply Be the Function Used in the Other Rows in Excel.
Microsoft Excel internally stores dates as serial numbers which is the number of days a date is from Jan.
First of all you need to calculate to total completed years between a date of birth and todays date. B1-B236525 gives you the result as shown below. Just replace the A4 by your Date of Birth cell and get the age in YearMonths. And for this the formula will be.