Does the order of the two dates matter?

No, enter both dates of birth in either order, the calculator figures out who's older automatically.

Age Gap Calculator

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

Formula v1.0.0GlobalMethodologyage-gap-v1

How this is calculated

Age gap = |Date of birth 1 − Date of birth 2|, split into years, months and days

Assumptions used in this calculation

Enter two dates of birth to find the exact age gap between two people, in years, months and days, plus total days apart and who's older.

Worked example

Born 15 Aug 1990 and 3 Mar 1994

Result: 3 years, 6 months, 16 days apart

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Age Calculator

Find your exact age in years, months and days, plus total days lived and your next birthday countdown.

Add or Subtract Dates Calculator

Add or subtract days, weeks, months or years from a date.