Advanced Age Calculator - Calculate Your Age in Years, Months, Days & Seconds

What is an Age Calculator?

Our Age Calculator allows you to quickly and accurately determine your age or the time interval between two specific dates. The result is displayed in a detailed breakdown, including years, months, weeks, days, hours, minutes, and seconds. This tool is perfect for finding your exact age down to the second, or for calculating your age on a future or past date (e.g., “How old will I be in 2030?”).

Simply enter your date of birth and select the date on which you want your age to be calculated (by default, it is set to today’s date). Our tool instantly provides a comprehensive summary of your age.

How to Use Our Advanced Age Calculator

Using the calculator is simple. Just follow these two steps:

Date of Birth: In the first field, enter your complete date of birth (Day, Month, Year).
Age at the Date of: In the second field, enter the date for which you want to calculate the age. This field is automatically set to the current date (today), but you can change it to any past or future date to find your age at that specific time.

After entering both dates, click the “Calculate Age” button. Your results will instantly appear below, showing both a summary (Years, Months, Days) and a detailed breakdown (Total Weeks, Total Days, Total Hours, etc.).

How is Age Calculated?

Calculating age might seem straightforward, but it can be complex due to the different lengths of months (28, 29, 30, or 31 days) and leap years. This calculator is based on the most common age system, where your age increases on your birthday.

For example, a person who has lived for 20 years, 11 months, and 28 days is considered 20 years old. Their age will officially become 21 on their next birthday, one month and a few days later. Our system accurately calculates the time duration between the two dates you provide, giving you the most precise chronological age.

This tool is not based on cultural age systems (like some East Asian traditions where a baby is born at age 1). It provides a precise time duration, making it useful for official, personal, and fun calculations.