Find your exact age in years, months, and days — plus a countdown to your next birthday.
Enter your date of birth and the calculator instantly shows your exact age broken down into years, months, and days, along with totals in weeks, days, and hours. It also calculates how many days remain until your next birthday.
Exact age calculations are useful for legal documents, visa and passport applications, school enrollment cutoffs, medical forms, and life milestone planning. Some eligibility rules (like retirement age or age of majority) depend on the precise day, not just the year.
The calculator finds the difference between your date of birth and today's date (or any chosen date), accounting for varying month lengths and leap years to give a precise years/months/days breakdown rather than a simple year subtraction.
Simple year subtraction doesn't account for whether your birthday has occurred yet this year. If your birthday hasn't happened yet in the current year, your true age is one year less than the subtraction suggests. This calculator accounts for the exact month and day.
Yes. The calculator uses actual calendar dates, so leap years (including the extra day in February) are automatically factored into all day, week, and hour totals.
Yes. Use the "Calculate Age As Of" field to set any date — useful for figuring out how old you'll be on a future event date, or how old you were on a specific past date.