Age Calculator
Find out exactly how old you or someone else is. Instantly calculate chronological age in exact years, and see the total number of months and days you've been alive.
How to Use the Calculator
- 1
Enter Date of Birth
Input the starting day (usually your birthdate).
- 2
Set the Target Date
This defaults to today, but can be set to any past or future date.
- 3
Instantly see the results
Your age in total years, months, and exact days alive is calculated instantly.
Frequently Asked Questions
How exactly is my age calculated?
Age is calculated by determining the exact number of full calendar years between your date of birth and the target date.
Can I calculate age on a future date?
Yes! You can change the "Target Date" input to any date in the future to see how old you will be at a specific milestone or upcoming event.
Does this factor in leap years?
Yes, our calculator precisely utilizes calendar-aware logic to calculate total days alive, accounting for every leap year.