Chronological Age Calculator
Enter your date of birth to get your exact chronological age in years, months, and days.
Chronological age vs. biological age
Your chronological age is simply how long you have been alive, measured from your birth date. Biological age is an estimate of how well your body has aged and can be higher or lower than your chronological age depending on lifestyle and health.
This tool reports chronological age only, computed precisely down to the day.
How old am I if I was born in…
1990 · 1995 · 2000 · 2005 · 2010 · 1985 · 1980 · 1975 · 1970 · 2015
Frequently asked questions
What is chronological age?
Chronological age is the amount of time that has passed since your birth, expressed in years, months, and days. It differs from biological age, which estimates how old your body seems based on health markers.
How is chronological age calculated?
Subtract your date of birth from the current date. This calculator borrows days and months correctly and accounts for leap years to give an exact years/months/days result.
Is this age calculator free?
Yes. It runs entirely in your browser, requires no sign-up, and never sends your date of birth anywhere.