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# What are the different methods to calculate age?

Excel offers several methods for determining a person’s precise age. Age may be expressed in terms of years, months, days, hours, and so forth. The beginning and ending dates must be given in order to determine the age. In addition to age, one can compute the length of a project, the interval between two dates, the number of years an organization has been around, etc.

Calculate, for instance, the number of days between January 16, 2018, (cell A1), and January 30, 2018, (in cell B1). 14 days are returned by the formula “=DATEDIF(A1, B1,”d”)”. Enter the formula without the double quote marks at the beginning and end.

If the start and finish dates correspond to the beginning and end of a month, respectively, calculating the time period is simple. Nevertheless, the calculations become more difficult when this isn’t the case. Excel can be useful in these situations.

Calculating age is done in order to examine how long a person, event, project, business, etc. has survived. It should be noted that there is no dedicated age calculation function in Excel. However, an age calculator by year can be applied to calculate your age flawlessly.

Let’s get started

## Excel Formula to Calculate Age in Years:

When computing your age in years, it’s difficult to top the simplicity of writing the formula =(YEAR(NOW())-YEAR(A1)). You only need to input your birthdate using the YEAR and NOW functions in the format MM/DD/YYYY. To obtain your age in years, copy the formula and paste it to get results instantly.

However, you will need to format the cell as a number if this doesn’t show a number. You can accomplish this by selecting the category number.

## Calculate Age in Days Using Excel Formula:

Another fast method using the DAYS360 function to determine your age in days is =DAYS360(A1, A2, TRUE). Simply enter your birthdate in this formula, followed by the present or future date. After that, you can paste the formula to determine how many days have transpired since your birth. If you apply an age calculator by year with this excel formula then make sure you will get your age in days.

If you don’t see a number-based output, you’ll need to format the cell, just as previously. You’ll discover some of these functions overlap with accounting functions when you explore various others. To build on what you’ve already learned, you can explore Excel’s top financial features from this point.

## Age Calculator From Date of Birth:

Online website tools can also perform the computations for you if you don’t want to muck around with formulas. Many websites will give you rapid access to various age breakdowns at once when you search online for an age calculator.

For instance, if you use an age calculator by year named Calculator.net Age Calculator, it will offer you a complete picture of your life by giving you your exact age in years, months, and days as well as breaking it down into particular dates and time formats.

The online age calculator from MarkCalculate also provides additional estimations, such as your guessed number of heartbeats, breaths, and laughs, along with a color-coded graphic representation of the same.

## YEARFRAC to Calculate Age in Fractional Years:

The YEARFRAC function has the following syntax: YEARFRAC(start date, end date,[basis]). The following arguments are accepted by the function:

• Start date: This displays the beginning (past date) of the specified time period.

• End date: This shows the day on which the given period ends (current date).

• Basis: This is the foundation upon which the days are tallied for determining fractional years. Any of the following five values may be used for it:

· When the value of “base” is 0 or 4, [(30 days per month)/(360 days per year)] is calculated according to the US or European norms, respectively.

The variables “start date” and “end date” must be provided, while “base” is optional. Excel assumes the basis to be 0 if the “basis” argument is not present.

The time difference (in years) between January 1, 2015, and January 1, 2019, is four for row 2. The fractional amount of time between January 02, 2019, and December 31, 2019, remains. This time span has 365-2=363 real days. The dates 01/01/2019 and 12/31/2019 have been excluded.

The foundation is set to 1, therefore the number of actual days in the period is divided by the number of actual days in the year. Hence, 363/365=0.994521. Therefore, for row 2, the YEARFRAC function gives 4+0.99=4.99 Excel also calculates the fractional years for the remaining rows. Using an age calculator by year with it is a great approach to finding out your exact age rapidly.

## Calculate Age in Years, Months, and Days:

Three DATEDIF formulations have been concatenated (combined) in the formula entered in step 1 with the use of the CONCATENATE function. Additionally, following each DATEDIF formula, the text strings “years,” “months,” and “days” are entered. This suggests that the outcomes of each DATEDIF formula will be combined with the corresponding text strings in the output’s final form.

The formula (in step 1) has the footnotes listed below:

• “Y”: This determines how many years have passed between the two specified dates.

• “YM”: This determines how many months are remaining after the year has ended.

• “MD”: This determines how many days are remaining after the month has ended.

The number of completed years for row 2 is 1, which is calculated from January 1, 2018, to January 1, 2019. There have been 11 completed months as of the start of 2019, which is measured from January 1 to December 1. Finally, the number of days is calculated from December 1 to December 30, which comes to 29.

As a result, the result is 11 months and 29 days.

## Final Thoughts:

Well, these are some methods to calculate your age. Although, they seem to be complicated if you use an age calculator by year with it you can definitely get your age perfectly.

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