Age Calculator

Calculate exact age in years, months, and days with next birthday countdown, generation label, and fun life statistics.

Enter your date of birth to instantly see your exact age, next birthday countdown, and fun life statistics.

Results update instantly

About the Age Calculator

This age calculator instantly computes your exact age in years, months, and days from any date of birth. It also shows your next birthday countdown, your generation (Gen Z, Millennial, Gen X, Boomer), and fun life statistics like your total weeks and hours lived. Use the compare mode to find the age difference or duration between any two dates — useful for calculating contract durations, event gaps, or anniversary dates.

For Ethiopian dates, use the Ethiopian Age Calculator which converts your birth date through the Ethiopian calendar system and shows your age in Ethiopian years alongside the Gregorian equivalent. Both tools are free, private, and work entirely in your browser without sending any data to a server.

More than just a number of years

Give this calculator a birth date and it works out an exact age down to the day, rather than rounding to whole years. It also counts down to the next birthday, labels the generation the date falls into, and adds a few light-hearted life statistics such as the total number of days lived.

Precise ages matter for forms and eligibility checks, but the tool is just as often used out of curiosity — to see exactly how old someone is today, or how many days until a milestone. It works for any date, past or future, so you can also measure the span between two moments.

Frequently Asked Questions

How is my exact age calculated?
The calculator finds the precise difference between your birth date and today, broken into years, months, and days. It correctly handles varying month lengths and leap years.
What if I was born on February 29 (a leap day)?
Leap-day birthdays are fully supported. In non-leap years the age ticks over on February 28.
What are the generational labels based on?
The tool uses widely referenced birth-year ranges: Gen Z (1997–2012), Millennials (1981–1996), Gen X (1965–1980), Baby Boomers (1946–1964), and the Silent Generation (before 1946).
Can I compare the ages of two people?
Yes. Switch to Compare Mode to enter two birth dates and instantly see the age difference in years, months, and days.

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