Birthday/Age Calculator
Select your Date of Birth and Age at the Day from below. Your Age will update instantly
Date of Birth:
Age at the Day:
What is an age Calculator?
Our age calculator is build to help you get out your age based on your birthdate and current date. It calculates the years, months, days, weeks, second between the two dates to provide an accurate age. Our Age calculators is a online tool. It can be used for various purposes, Like determining someone's age for administrative or legal purposes, calculating age differences between individuals, or simply satisfying curiosity about ones age.
How to calculate someone's age?
Select your date of Birth for the above calendar and to the expected day you want to count for “Age at the Day”.
How to calculate someone's age mathematically?
To calculate someone's age mathematically, you can use the following formula:
Age = Current Year - Birth Year - 1
This formula provides the age in years, assuming that the current year has not yet been completed. However, to obtain a more precise age calculation, you can also consider the month and day. Here's an extended mathematical formula that takes into account the month and day:
Age = Current Year - Birth Year + (Current Month, Day ≥ Birth Month, Day)
In this formula, (Current Month, Day ≥ Birth Month, Day) evaluates to 1 if the current month and day are equal to or greater than the birth month and day. Otherwise, it evaluates to 0.
For example, let's think the present date is July 12, 2023, and the birthdate is May 15, 1990:
Age = 2023 - 1990 + (7, 12 ≥ 5, 15)
= 33 + 1
= 34
Therefore, the person's age, considering the current date, would be 34 years.
Date of Birth: 11/01/1960
Now present age:
63 years, 6 months , and 1 day old
762 months 1 day
3313 weeks 2 days
23193 days
556632 hours
33397920 minutes
2003875200 seconds
Date of Birth: 10/01/1965
Now present age:
58 years, 6 months , and 2 days old
702 months 2 days
3052 weeks 3 days
21367 days
512808 hours
30768480 minutes
1846108800 seconds
Date of Birth: 10/01/1970
Now present age:
53 years, 6 months , and 2 days old
642 months 2 days
2791 weeks 4 days
19541 days
468984 hours
28139040 minutes
1688342400 seconds