Age Calculator
Find your exact age in years, months, and days. Instantly calculate the time passed since your birthdate with our 100% private tool.
Enter Your Date of Birth
About What is an Age Calculator?
An Age Calculator is an essential online tool that instantly calculates your exact chronological age from your date of birth. By simply entering your birth day, month, and year, our calculator determines your precise age broken down into years, months, and days.
Chronological age is measured as the time elapsed from your birth date to the current date. Our calculator uses the industry-standard date-fns library to ensure precision in every calculation, properly accounting for leap years and varying month lengths.
Your privacy and security are our top priorities. Our Age Calculator operates with 100% client-side processing, meaning all calculations happen directly in your web browser without any data transmission to external servers. Your birth date is never stored or shared.
Key Features of Age Calculator
Everything you need for professional age calculator
Years, Months & Days
Get your age broken down precisely into years, months, and days.
Instant Results
No waiting, no loading. Your age is calculated instantly in your browser.
Simple & Clean UI
Easy-to-use interface with simple dropdowns for day, month, and year.
Leap Year Accurate
Accurately accounts for leap years, including February 29th birthdays.
100% Private
All calculations happen in your browser. Your data never leaves your device.
Fully Responsive
Works perfectly on desktop, tablet, or smartphone with the same experience.
How to Use Age Calculator
Follow these simple steps to get started
Enter Birth Date
Select your day, month, and year of birth from the dropdown menus.
Calculate Age
Click Calculate Age to compute your exact chronological age.
View Results
See your precise age broken down into years, months, and days.
Pro Tips
- Use the Reset button to quickly clear all fields and start over.
- The calculator supports dates going back 120 years from the current year.
- February 29th birthdays are handled correctly with leap year logic.
- Your date is never stored - it only exists in your browser temporarily.
- Works offline once the page is loaded - no internet required.
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Frequently Asked Questions
Everything you need to know about Age Calculator
Our Age Calculator determines your age by subtracting your date of birth from the current date. It uses the date-fns library to accurately calculate the difference in years, months, and days, properly accounting for leap years and the varying number of days in each month.
Yes! The calculation provides your chronological age, which is the standard way of measuring age. It breaks down the total time elapsed since your birth into the most commonly used units: years, months, and days.
Absolutely! All calculations happen entirely in your browser (client-side). Your date of birth is never sent to our servers or stored anywhere. Your privacy is 100% guaranteed.
Yes. The underlying logic correctly factors in leap years (like February 29th) when calculating the total duration, ensuring your age is accurate.
If you enter a date that is in the future, the calculator will display an error message and will not perform a calculation. Your birthdate must be in the past.
Absolutely! The Age Calculator is fully responsive and works perfectly on all devices including smartphones, tablets, laptops, and desktop computers.
Still need help?
Can't find what you're looking for? Our support team is here to assist you.
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