Age Calculator
Enter your date of birth to find your exact age, total days lived, and countdown to your next birthday.
How to age calculator
- 1Select your date of birth using the date picker.
- 2View your exact age broken down into years, months, and days.
- 3See additional details: total months, total weeks, total days, and a countdown to your next birthday.
About This Tool
The age calculator determines your exact age based on your date of birth and today's date. It provides a detailed breakdown including years, months, and days, as well as total months, total weeks, and total days you've been alive. It also counts down the days until your next birthday.
This tool is useful for filling out forms that require exact age, determining eligibility for age-dependent services, or simply satisfying your curiosity about how many days you've lived. All calculations are performed instantly in your browser.
Frequently Asked Questions
The calculator uses JavaScript's built-in Date object which correctly handles leap years, so February 29 birthdays and leap-year day counts are all accounted for accurately.
Yes, it calculates the exact number of days from today to your next birthday. If your birthday is today, it will show 0 days remaining and wish you a happy birthday.
Yes, you can enter any valid date. The calculator works for any past date, whether recent or historical.