Age Calculator
Calculate exact age in years, months, and days from a date of birth.
Age
26 years, 6 months, 10 days
Total days
9,688
Formula & methodology
Calendar-aware difference that borrows days from the preceding month and months from the year as needed. UTC-based.
Worked example
- Born 2000-01-15, today 2024-03-10 → 24 years, 1 month, 24 days
Frequently asked questions
How is age counted?
As completed years, months, and days between the two dates, accounting for varying month lengths.
Privacy
All processing happens locally in your browser. Your data is never uploaded.