Find your exact age in years, months, and days. See total days lived, the day you were born, and how many days until your next birthday.
Leave blank to calculate age today
Your Exact Age
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📅 Total days lived--
📅 Total weeks lived--
⏰ Total hours lived--
📆 Day you were born--
🎂 Next birthday--
⏳ Days until next birthday--
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How to Calculate Your Exact Age
Calculating your exact age sounds simple, but getting the precise number of years, months, and days requires careful handling of varying month lengths and leap years. This calculator does all that automatically, giving you your age broken down into years, months, days — and even hours.
How Leap Years Affect Your Age
A leap year adds an extra day (February 29) every four years. This means the number of days you have lived is not simply your age multiplied by 365. This calculator accounts for all leap years in your lifetime to give you the most accurate total days count.
Calculate Age at a Specific Date
You can also use this calculator to find your age on any specific date — past or future. Simply enter the target date in the "Calculate Age At" field. This is useful for legal purposes, retirement planning, historical research, or finding how old you will be on a future date.
Frequently Asked Questions
Subtract your date of birth from today's date. Count full years first, then remaining months, then remaining days. This calculator does it all automatically, including leap year adjustments.
This calculator shows your total days lived, accounting for all leap years. Simply enter your date of birth and the result appears instantly.
This calculator shows the exact day of the week you were born — Monday, Tuesday, etc. — based on your date of birth.
This calculator counts the exact number of days remaining until your next birthday from today's date. If today is your birthday, it shows 0 days.