Health / Lifestyle
Age Calculator
Compute exact age down to days, total days lived, next birthday countdown, and weekday of birth.
Inputs
Exact age
25y 9m 8d
Total days lived
9,413
Weekday of birth
Sat
Next birthday
Thu Jan 01 2026
in 84 days
How to use
- Pick your date of birth.
- Choose any reference date (defaults to today).
- See exact age, total days, weekday, and next birthday countdown.
TipUse this for forms, milestones, or planning events precisely.