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CFOTD

Tool

Celebrity age gap calculator

Pick any two celebrities and see exactly how far apart they were born, who is older, and how old one was when the other was born.

  • Louis Armstrong is older than Harold Arlen by 3 years, 6 months and 11 days.
  • When Harold Arlen was born, Louis Armstrong was 3.
  • On August 29, 1908, Louis Armstrong was exactly twice as old as Harold Arlen.
  • Louis Armstrong is Leo and Harold Arlen is Aquarius.

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Famous age gaps

Birth dates and details from Wikidata (checked October 15, 2026, newest names added October 27, 2026). Ages update every day. Photos are freely licensed and credited on each profile. How we build this site · Report a mistake