Age Difference Calculator

Calculate exact age difference between two people in years, months, and days.

Person 1 Birth Date

Person 2 Birth Date

Age Difference Formula

Compute difference between the two birth dates and normalize into years, months, and days.

If one person is born on Jan 1, 2000 and another on Jan 1, 2005, age difference is 5 years.

Does order matter?

Calculate your exact age in years, months, and days from your date of birth.

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

Calculate the number of weeks between two dates.