Age Calculator in Years, Months and Days
Find your exact age in years, months and days. Enter your date of birth and this calculator shows how old you are today — in years, months, days, weeks and total days.
How to use
1. Enter your date of birth. 2. Leave the second date as today, or pick another date to see your age on that day. 3. Tap Calculate My Age.
Why years, months and days?
A simple year count hides the detail. For school forms, ID applications and birthdays, the exact years, months and days matter. This tool handles leap years and different month lengths correctly.
Frequently asked questions
Is my date of birth saved? No. The calculation runs in your browser only.
Can I calculate age on a past or future date? Yes, change the second date.
Does it handle leap years? Yes.