Best Age Calculator - Comparewise

# Age Calculator

Different cultures have distinct methods of calculating an individual’s age. The age calculator employs the most widely used age system. In this system, age increases at the birthday. For example, if a human has lived for three years and eleven months, their age is three and will be four after one month.

Most countries, such as Canada, make use of this age system.

## How to use an age calculator

Some cultures define age by counting years regardless of whether or not you include the current year. For example, a twenty-year-old is equivalent to a twenty-one-year-old.

In some cases, the result of this age calculator’s months and days may need to be clarified, especially if the starting date is at the month’s end. For example, we all regard the 20th of February to the 20th of March as a single month.

Nonetheless, there are two methods to determine your age from the 28th of February, 2017, and the 31st of March, 2017.

If the 28th of February to the 28th of March is seen as one month, the outcome is one month and three days. If the 28th of February and the 31st of March are regarded as the month’s end, the estimation is one month. Both estimations give reasonable results.

Similar scenarios exist for dates like the 30th of September to the 31st of October, the 30th of October to the 30th of November, etc. The confusion stems from the infrequent number of days in a month. Thanks for checking out our age calculator.

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Date of Birth (mm/dd/yyyy)

Age at (mm/dd/yyyy)

Result

Age

# Age Calculator

Different cultures have distinct methods of calculating an individual’s age. The age calculator employs the most widely used age system. In this system, age increases at the birthday. For example, if a human has lived for three years and eleven months, their age is three and will be four after one month.

Most countries, such as Canada, make use of this age system.

## How to use an age calculator

Some cultures define age by counting years regardless of whether or not you include the current year. For example, a twenty-year-old is equivalent to a twenty-one-year-old.

In some cases, the result of this age calculator’s months and days may need to be clarified, especially if the starting date is at the month’s end. For example, we all regard the 20th of February to the 20th of March as a single month.

Nonetheless, there are two methods to determine your age from the 28th of February, 2017, and the 31st of March, 2017.

If the 28th of February to the 28th of March is seen as one month, the outcome is one month and three days. If the 28th of February and the 31st of March are regarded as the month’s end, the estimation is one month. Both estimations give reasonable results.

Similar scenarios exist for dates like the 30th of September to the 31st of October, the 30th of October to the 30th of November, etc. The confusion stems from the infrequent number of days in a month. Thanks for checking out our age calculator.

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November 3, 2022
Fact Checked

## FAQs about our Age Calculator

How to calculate age in excel

To calculate an individual’s age in Canada, you must take the current date and subtract it from the birth date. This classic age formula is available in Excel.

If a birthdate is entered in cell B2, the following formula is used to calculate age in years:

=(TODAY()-B2)/365

=INT((TODAY()-B2)/365)

The first part of the formula (TODAY()-B2) calculates the number of days between the current date and the date of birth, which is then divided by 365 to calculate the number of years.

The formula is straightforward to remember, but there is one minor flaw. It usually returns a decimal value as a result.

The number of complete years is returned by rounding a decimal down to the nearest integer with the INT function.

All you’ve got to do is subtract the present date from the birth date. Most of the time, it gives a decimal number as a result. Using the INT function to round a decimal down to the nearest integer will return the number of complete years. This formula is also usable in Excel.

How to calculate age from birth date in excel

To determine someone’s age on a specific date, use the DATEDIF age formula but switch the TODAY() function in the second argument with the date.

If the birth date is in B1, this formula will return the age as of the 1st of September, 2002:

=DATEDIF(B1, “9/1/2002″,”Y”) & “Years,” DATEDIF(B1, “9/1/2002″,”YM”) & “Months,” DATEDIF(B1, “9/1/2002”, “MD”) & “Days”

To make your age formula more flexible, enter the date in a cell and refer to it in your formula:

=DATEDIF(B1, B2),”Y”) & “Years, “& DATEDIF(B1,B2),”YM”) & “Months, “&DATEDIF(B1,B2),”MD”) & “Days”

where B1 is the date of birth, and B2 is the date you want to determine the age.

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