Our free Age Calculator lets you instantly compute your exact age in years, months, and days. Whether you need to know how old you are today, calculate someone's age from a date of birth, or find the date difference between two dates — this tool gives you precise results in one click.
Type or pick your birth date from the date picker. Any valid past date is accepted.
The "As of Date" defaults to today. Change it to any date to calculate age at that point in time.
Hit Calculate. Your age appears instantly in years, months, and days.
See total years (main age) plus remaining months and days. Useful for legal, medical, or personal tracking.
Use Reset to clear inputs and start fresh for a new date.
Years = Current Year − Birth Year (raw count).
If today's month/day hasn't passed the birth month/day yet this year, subtract 1 from years.
If current day < birth day, borrow days from the previous month for accurate day count.
Born May 15, 2000 → Today June 10, 2026 = 26 years, 0 months, 26 days.
Track a child's age precisely for school enrollment, vaccination schedules, and milestones.
Verify age thresholds for voting, retirement, driving licences, or insurance eligibility.
Find exactly how many days until or since a birthday.
Doctors use exact age for dosage calculations and patient history.
Determine cut-off age eligibility for school or college applications.
Verify age requirements for visas, passports, and international travel.
The calculator subtracts your date of birth from the reference date (today by default), accounting for leap years and varying month lengths, returning exact years, months, and days.
Yes. Change the "As of Date" field to any future date to find out how old someone will be at that point.
Yes. The tool correctly handles February 29 leap days when computing month and day differences.
If the birth date is after the reference date, the result returns 0 years, 0 months, 0 days since age would be negative.
Very accurate. The tool uses standard calendar month lengths and borrows days from the previous month when the birth day hasn't occurred yet.
Absolutely. Enter the founding date as "Date of Birth" and any target date as the reference to compute elapsed duration.