Practical, plain-language guides about age calculations, birthdays, dates, milestones, and eligibility rules.
If a date of birth is stored in cell A2, the simplest Excel formula for calculating the person’s current age in completed years is: =DATEDIF(A2,TODAY(),"Y") The formula compares…
To calculate age at death, use the person’s date of birth as the starting date and their date of death as the ending date. For completed age in…
To calculate your age on a specific past or future date, use your date of birth as the starting date and the date you want to check as…
