Age Calculator

Find your exact age in years, months, days, hours, and minutes with birthday countdown.

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Chronological Age & Milestone Calculator

Date of Birth

Age on Date (Default: Today)

Exact Age

26 years, 7 months, 11 days

Next Birthday in 142 days (Turning 27)

Born on a Saturday

Total Days:

9,720

Total Weeks:

1,388.6

Total Hours:

233,280

Total Minutes:

13,996,800

Calculates exact chronological age down to days, hours, and minutes based on date of birth, accounting for leap years and month length variations.

Select your Date of Birth.
Optionally specify an "Age at Date" (defaults to today).
Review exact years, months, days, total elapsed days, day of the week born, and countdown to next birthday.

Age = Target Date - Date of Birth (accounting for leap years and calendar month boundaries)

The calculation borrows days and months dynamically according to Gregorian calendar rules to ensure 100% calendar accuracy.

Born on July 4, 1995 evaluated at January 1, 2025.

Input: DOB: 1995-07-04, Target: 2025-01-01

Output: 29 years, 5 months, 28 days

Calculate the number of days, weeks, months, years, and business days between two dates.

Calculate elapsed hours, minutes, and seconds between two clock times with midnight handling.