On this page is an age in years calculator. Enter your birthday and we'll tell you exactly how old you are in years, months, and days - plus a countdown to your next birthday.
Age in years calculator
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Using the age in years calculator
To find your age:
- Birthday: Enter the date you were born.
- Auto-Calculate: Results update instantly as you change the date - no need to smash any buttons!
The main result shows your complete age - years, months, and days. The secondary line shows the same age expressed in months, weeks, and days. Below that is a countdown to your next birthday.
(Yes, the tool handles leap years correctly.)
Birthday countdown
The milestone line shows when your next birthday falls and how many days away it is. If you happen to use this calculator on your birthday, you'll even get a special message!
(Is that good bookmark-bait?)
More age calculators
Want to express your age in a different unit? Try one of these:
