🎂
Age Calculator
Exact age in years, months and days — plus fun totals.
Enter your details
Results
Your Age
—
Total Days
—
Next Birthday
—
How to use the Age Calculator
Pick your birth date for your exact age and a countdown to your next birthday.
How exact age is calculated
Age isn't just "current year minus birth year" — months and days borrow like subtraction in school. Our calculator handles month lengths and leap years precisely, giving years, months and days plus total days lived.
Common uses
Exact age matters for school enrollment cutoffs, retirement eligibility, insurance quotes, and legal age verification. Need date math instead? Try our date calculator for days between dates or adding/subtracting days.
Frequently Asked Questions
Because '30 years old' hides 11 months of detail — months and days give the full picture.