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TV host

Kari Byron

Television host, artist, ''MythBusters'' build team member

Kari Byron is 51 years old, born on December 18, 1974 in Santa Clara County.

Next birthday in 43 days, turning 52.

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Born
December 18, 1974, Santa Clara County
Age
51
Zodiac sign
Sagittarius
Country
United States
Known as
TV host

Official links: Official website (karibyron.com) · Instagram · X · Wikipedia

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Kari’s birthday, by the numbers

  • Kari Byron was born on a Wednesday.
  • Kari Byron has been alive for about 18,950 days.
  • Their 20,000-day milestone falls on September 20, 2029.
  • Their next birthday, turning 52, is on a Friday.
  • Next milestone: Kari Byron turns 60 on December 18, 2034, in 8 years and 1 month. More milestone birthdays
  • Kari Byron is younger than 3,066 and older than 3,780 of the living celebrities on CFOTD.
  • Half birthday: June 18. Birthstone: Turquoise, tanzanite and zircon.
  • Kari Byron belongs to Gen X.

Age gaps

Born within weeks of Kari

Leonardo DiCaprioActor · November 11, 1974Bradley CooperActor · January 5, 1975Preity ZintaActor · January 31, 1975Alessandro Del PieroSoccer player · November 9, 1974Paul ScholesSoccer player · November 16, 1974Sarah PaulsonActor · December 17, 1974

Days and weekdays are worked out from the birth date. Compare Kari’s age with anyone.

Share Kari Byron’s birthday, December 18?Make something for yourself or a birthday friend.
🏅Birthday certificateAdd a name, download a PDF or image🎂Printable birthday pageA free one-page PDF for December 18⭐Birthday twin cardA square card to share

Also born on December 18

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Christina AguileraSinger · Age 45Steven SpielbergFilm director · Age 79Brad PittActor · Age 62SiaSinger · Age 50Keith RichardsMusician · Age 82Ashley BensonActor · Age 36

Also born in 1974

All →
Leonardo DiCaprioActor · November 11AnggunSinger · April 29Robbie WilliamsSinger · February 13Penélope CruzActor · April 28KajolActor · August 5Alessandro Del PieroSoccer player · November 9

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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

Frequently asked questions

How old is Kari Byron?

Kari Byron is 51 years old, born on December 18, 1974 in Santa Clara County.

What is Kari Byron’s zodiac sign?

Sagittarius, born December 18.

Does Kari Byron have an official website?

Yes: karibyron.com.