Free online calculator
Age Calculator
Find an exact calendar age between a date of birth and today or another date, with leap years and month lengths handled correctly.
Calculate your result
How the age calculation works
Calendar age is not total days divided by 365. CalcMaroc counts complete calendar months, then measures remaining days from the last monthly anniversary.
Dates are processed as date-only Gregorian values. Clock times, browser time zones, and daylight-saving changes cannot shift the result.
Worked example
From 10 May 2000 to 15 July 2024, the exact age is 24 years, 2 months, and 5 days. That is 290 completed months, approximately 1,261 weeks, or 8,832 days.
Frequently asked questions
How is exact age determined?
The calculator counts completed calendar months, converts them into years and months, then counts remaining days.
How is a 29 February birthday handled?
In a non-leap year, 28 February is used as the anniversary; leap years use 29 February.
Why are total weeks approximate?
They are completed seven-day periods; years and months have no fixed number of weeks.
Can I calculate age on another date?
Yes. Choose any comparison date on or after the birth date.
Are my dates stored?
No. The calculation runs locally without transmitting or storing dates.