How To Calculate Age In Excel From A Specific Date

Excel is a powerful spreadsheet tool that offers a wide range of features for calculation, analysis, and visualization of data. One of the frequently performed tasks on Excel is to calculate the age of a person or an object from a given date of birth. In this article, we will discuss how to calculate age in Excel from a specific date.

1. Use The YEARFRAC Function To Calculate Age From Birthdate.

  1. The most common method to calculate age in Excel is to subtract the birthdate of a person from the current date.
  2. Below are the steps to implement this.
  3. In an empty cell such as A1, enter the current date using the =TODAY() function.
  4. In another cell such as B1, enter the birthdate of the person using the DATE(year, month, day) function.
  5. For example, the birthdate could be entered as =DATE(1990,5,15) if the person was born on May 15, 1990.
  6. To calculate age in years, subtract the birthdate from the current date using the YEARFRAC(start_date, end_date) function, the YEARFRAC function returns the fraction of a year between two dates.
  7. For example, if the current date is March 1, 2021 and the birthdate is May 15, 1990, the formula in the cell would look like: =YEARFRAC(DATE(1990,5,15),TODAY()).
  8. In this example, we can input the formula =YEARFRAC(A1,B1) in cell C1.
  9. Multiply the result with 365.25 to get the exact age in days.
  10. For example, if the age in years is returned as 30.77, then the age in days can be calculated as 30.77*365.25= 11233.48.

2. Use The YEAR Function To Calculate Age From Birthdate.

  1. You can also use the YEAR function to calculate age from some one’s birthday.
  2. The YEAR function will return the year value of the provided date value.
  3. In this example, you should input the formula like =YEAR(TODAY())-YEAR(DATE(1990,5,15)) in a cell, and it will return the delta value of the year between today and the specified date.

3. Use The DATEIF Function To Calculate Year, Month or Hour From Birthday.

  1. To calculate age in months or even hours, modify the formula to use the DATEDIF(start_date, end_date, unit) function.
  2. This function allows you to calculate the difference between two dates in months, days, or years.
  3. For example, =DATEDIF(DATE(1990,5,15),TODAY(),”m”) would return the number of months between the birthdate and current date.

4. Conclusion.

  1. Calculating age ( delta years, months, days, or hours between 2 given dates ) in Excel from a specific date can be done in a few simple steps using the YEARFRACYEAR, and DATEDIF functions.
  2. Knowing how to calculate age in Excel can be useful in various situations, such as calculating the age of customers, employees, students, or tracking the age of equipment or assets.
  3. By following the steps outlined in this article, you can easily calculate age in Excel and save time on manual calculations.

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