Age Calculator
Find exact age in years, months and days from a birth date.
Works instantly, nothing is uploaded
Enter dates
Result
Enter a date of birth and click "Calculate Age".
How this age calculator works
Enter a date of birth and, if needed, a different reference date (it defaults to today). The result shows the exact age in years, months and days, along with total days lived and the day of the week you were born on. Nothing you enter here is uploaded or sent anywhere; everything runs directly in your browser.