Age Calculator
Calculate exact age in years, months, and days from a birthdate. See your next birthday countdown.
Enter a date of birth above to calculate age.
How Age Is Calculated
Age in years is the number of complete years since your birth year. Remaining months and days fill out the remainder. Leap years (every 4 years, with exceptions) are accounted for in the day count.
Frequently Asked Questions
- Exact age accounts for leap years and the varying length of months. This calculator determines the number of complete years, then remaining complete months, then remaining days.
- Enter your birthdate and this calculator will show your total age in days, accounting for all leap years.