What’s the age gap
between you two?
Enter two birth dates to see the exact age difference between two people — in years, months and days, down to the day.
About the age difference calculator
This age difference calculator shows the exact age gap between two people. Enter two dates of birth and it works out the difference in years, months and days — plus the totals in weeks and days — instantly and privately in your browser.
It’s the quick way to answer “what’s the age difference between us?”, compare the ages of a couple, siblings or friends, and see who is older and by how much.
How do I calculate the age difference between two people?
Enter both birth dates above and the calculator shows the exact gap in years, months and days, along with the totals in weeks and days.
Does the order of the birth dates matter?
No — enter them in any order. The calculator always shows the age gap as a positive duration and tells you who is older.
Is the age difference calculator free?
Yes — it’s completely free, needs no sign-up, and everything is computed privately in your browser.
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