Age Calculator
Enter your date of birth to calculate your exact age and next birthday countdown.
Select your date of birth above to see results.
Enter your date of birth to calculate your exact age and next birthday countdown.
Simply select or type your date of birth using the date picker above. The calculator instantly computes your exact age broken down into years, months, and days. It also displays your age expressed as total months, total weeks, and total days, giving you a comprehensive view of the time that has elapsed since your birth.
The primary result shows your age in the familiar years, months, and days format. Below that, the stats section converts your age into different units. Total months counts every full month since your birthday. Total weeks divides the total number of days by seven. Total days counts every single day from your date of birth to today, including leap year adjustments.
Below the age breakdown, you will find a countdown to your next birthday. This tells you exactly how many days remain until your upcoming birthday. If today happens to be your birthday, the calculator will recognize and display a special message. The countdown is useful for planning celebrations or simply satisfying curiosity about how soon your next birthday is approaching.
The calculator uses the current date from your device and computes the difference between today and your date of birth. It accounts for varying month lengths and leap years. The year count increments only when a full year has passed, meaning the month and day of your birth have both been reached or exceeded in the current year. This matches the standard convention used worldwide for determining a person's age.
Your date of birth is never sent to a server. All calculations happen locally in your browser using JavaScript. The page works offline after loading and no personal data is collected or stored. This tool is completely free with no registration required.