For strict compliance and audit trails, pairing this with a conditional check to verify whether the birthday has passed ensures higher reliability. By subtracting the birth year from the current year, you get a preliminary age value.
Excel Age Calculation for Multiple Rows: Step-by-Step Formula Guide
Alternative with INT and Division Another approach to convert date to age involves calculating the difference in days between today and the birth date, then dividing by the average number of days in a year. While concise, this technique can still be off by a year near birthdays and does not provide month or day detail.
Using the INT function to round down this quotient produces an integer age. This guide explores multiple approaches, from simple year subtraction to precise logic that accounts for whether a birthday has occurred in the current year.
Excel Age Calculation for Multiple Rows: Step-by-Step Formula Guide
Using YEAR and TODAY Functions The formula `=YEAR(TODAY()) - YEAR(A1)` assumes cell A1 contains a valid birth date. This method handles leap years and varying month lengths correctly, making it robust for formal reporting.
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