How old am I calculator

Wondering “How old am I?” Just enter your date of birth and this free calculator will instantly show your exact age in years, months, and days. It’s the easiest way to calculate age from date of birth for any person.

Age calculator

Result

Select your birth date to see your exact age…

    Precise breakdown

      Formula: age = today − date of birth. Leap years and varying month lengths are handled automatically.

      Examples

      If you were born on 2000-01-01 and today is 2025-09-03, your age is 25 years, 8 months, 2 days.

      If you were born on 1995-09-03, then today (2025-09-03) you turn exactly 30 years old.

      How old am I calculator — FAQs

      How does the calculator work?

      It subtracts your date of birth from today’s date using the Gregorian calendar, adjusting for leap years and month lengths.

      Can it calculate in months or days only?

      Yes, we show your exact age broken down into years, months, and days.

      Which timezone is used?

      Your browser’s local timezone. Because we use whole dates, time of day does not affect the result.

      Is it accurate?

      Yes — it uses built-in calendar functions to ensure accuracy with leap years and month variations.