How to calculate age in Excel from birthday
To calculate age from date of birth, follow the below mentioned steps: Copy the formula by pressing the key “CTRL+C” and paste in the range C3:C5 by. Calculate birthdate, using age at death and date of death Calculate approximate age at death, using only year of birth and year of death If the resulting MM and DD are within normal range for month and day, the calculation is done. If the MM resulting from the last step came out to either 00 or greater than 12, subtract. Pinpoint your age from date of birth to a past, current, or future date in years, months, weeks, days, hours, minutes, and seconds. Built-in birthday calculator.
In Microsoft Excel, you can make a formula to compute an exact age in months, days, hours and even minutes. But let's be traditional, and learn how to calculate age from DOB in years first. Basic Excel formula for age in years How do you normally figure out someone's age? Simply by subtracting the birth date from the current date. This conventional age formula can also be used in Excel.
Assuming a birthdate is in cell B2, the formula to calculate age in years goes as follows: The formula is obvious and easy-to-remember, however, there is a tiny problem.
Exact Age Calculator by Birthday
In most cases, it returns a decimal number as demonstrated in the screenshot below. To display the number of complete years, use the INT function to round a decimal down to the nearest integer: Using this age formula in Excel produces pretty accurate results, but not flawless.
Dividing by the average number of days in a year works fine most of the time, but sometimes it gets the age wrong. For example, if someone was born on February 29 and today is February 28, the formula will make a person one day older. As an alternative, you can divide by However, this approach is not perfect either. For example, if you are calculating the age of a child who hasn't yet lived through a leap year, dividing by Overall, subtracting the birth date from the current date works great in normal life, but is not the ideal approach in Excel.
Further on in this tutorial, you will learn a couple of special functions that calculate age faultlessly regardless of the year. Basis is an optional argument that defines the day count basis to use. Basis - use basis 1 that tells Excel to divide the actual number of days per month by the actual number of days per year.
Considering the above, an Excel formula to calculate age from date of birth is as follows: Y - returns the number of complete years between the start and end dates.
M - returns the number of complete months between the dates. D - returns the number of days between the two dates. YM - returns months, ignoring days and years. MD - returns the difference in days, ignoring months and years. YD - returns the difference in days, ignoring years. Since we aim to calculate age in years, we are using the "y" unit: How to get age from birthday in years, months and days As you have just seen, calculating age as the number of full years that the person has lived is easy, but it is not always sufficient.
Age Calculator to find what is your Exact Age Now?
If you want to know the exact age, i. To get the number of years: And then, concatenate the above functions in a single formula, like this: Does not make much sense, uh? To make the results more meaningful, separate the numbers with commas and define what each value means: The formula works great, but you can improve it even further by hiding zero values. Specific formulas to calculate age in Excel The generic age calculation formulas discussed above work great in most cases.
In some situations, however, you may need something very specific. Of course, it's not possible to cover every and each scenario, but the following examples will give you some ideas on how you can tweak an age formula depending on your particular task.
Assuming the birth date is in B1, the following formula will return age as of 1 January Calculate age in a certain year This formula comes in handy in situations when the complete date to calculate at is not defined, and you know only the year. Or, if using this as an age difference calculator, enter the birth date of the youngest of the two persons on the second line. If you would like to know on what date you will turn a certain age, enter that age in the field provided.
Click the "Calculate Age" button and scroll down to view the results. If your web browser supports Local Storage, you can save your entries to your web browser so won't have to start over on your next visit.
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To save your entries to your web browser, click or tap the Data tab in the Help and Tools section mobile: To load previously saved entries, click or tap the Data tab and select the saved data record from the drop-down menu.
You can then save any changes to your entries by simply clicking the Save button while the data record is selected. To clear a named set of saved entries, click or tap the Data tab, select the saved data record from the drop-down menu, and then tap or click the Clear button. Only numeric characters and decimal points may be entered in numeric fields. Non-numeric characters dollar signs, percent signs, commas, etc. If the field includes a grid icon, tapping the icon will open a popup keypad which will include only the characters allowed in the field.