Age Calculator
See your age to the exact day, plus total days, weeks, months — and the countdown to your next birthday.
Inputs
Result
You are
30 yrs
10 months, 29 days
🎂 Next birthday in 32 days
Visual breakdown
Total days
11,291
Total weeks
1,613
Total months
370
Total hours
270,984
Year progress · next birthday in 32 days91%
Formula
Age = whole years from DOB to today, then remaining months and days. Total days = (today − DOB) ÷ 86,400,000 ms.
Example
Born 15 Jun 1995, today 14 May 2026 → 30 years, 10 months, 29 days — about 11,291 total days.
Frequently asked
Does it account for leap years?
Yes — the calculation uses real calendar dates so February 29 and leap years are handled correctly.
Why are my months and days different on other sites?
We borrow from the previous month when the day is negative, which matches how most people count age in months and days.
Can I calculate age at a future date?
Yes — change the “As of date” to any date in the future to see how old you'll be then.
Is my birthday saved anywhere?
No. Everything runs in your browser. Nothing is sent to a server.