Age Calculator
Exact age, full breakdown, and your next birthday countdown.
Weeks
Days
Hours
Minutes
Day of the week born
Until next birthday
Calculating someone's exact age — in years, months, and days, not just a year subtraction — is needed for forms, eligibility checks, or just curiosity. This also shows total time lived and a countdown to the next birthday.
How it works
- Enter the date of birthPick it from the calendar or type it in.
- Choose the "as of" dateDefaults to today, or pick any date to calculate age at that point.
- Read the full breakdownExact age, total time lived in several units, and a countdown to the next birthday.
FAQ
How is age calculated exactly?
By comparing your date of birth to the "as of" date down to the day, giving a precise years/months/days breakdown rather than just subtracting birth year from the current year.
Can I calculate someone else's age, or age on a future date?
Yes — enter any date of birth and any "as of" date, past or future.