How tall is KSI?

KSI's listed height is 180 cm (5'11"). He is taller than about 98% of men in Nigeria.

Where 180 cm sits among men in Nigeria

Taller than about 98% of men in Nigeria born in 1993 (average 166.4 cm).

About KSI

KSI, born Olajide Olayinka Williams, known as JJ, Olatunji, on 19 June 1993 in London, is a British influencer, musician and former professional boxer. He was born to parents of Yoruba heritage, raised in Watford and privately educated at Berkhamsted School.

He registered the YouTube channel KSIOlajidebt in 2009 and built a following through commentary videos on the FIFA series, later adding vlogs and comedic skits. He is a co-founder and former member of the YouTube group the Sidemen and co-founded Misfits Boxing. His music career took off with Lamborghini in 2015, and his second studio album, All Over the Place, debuted at number one in 2021 and was certified platinum by the BPI.

At a listed 180 cm (5'11"), KSI has achieved fourteen top 40 singles in the United Kingdom, seven of them peaking in the top 10. He received the Brit Billion Award in 2024 and has served as a judge on Britain's Got Talent since 2025. As of April 2026, he has over 46 million subscribers across his four active YouTube channels.

Frequently asked

How tall is KSI in feet and inches? KSI is 5'11" tall, which is 180 cm, 70.9 inches or 1.80 m.

Is KSI tall for men in Nigeria? At 180 cm he is taller than about 98% of men in Nigeria born in 1993, whose average height is 166.4 cm.

Sources

• KSI on Wikipedia — biography and career.
• KSI on Wikidata — nationality and dates.
• KSI on TMDB — filmography and co-stars.

Heights are as publicly listed, rounded to the nearest centimetre; listed heights for public figures are often self-reported. Biographical details adapted from Wikipedia under CC BY-SA 4.0.

More celebrity heights

• Khaby Lame — 180 cm · 5'11"
• xQc — 180 cm · 5'11"
• PewDiePie — 181 cm · 5'11"
• Markiplier — 179 cm · 5'10"
• Casey Neistat — 178 cm · 5'10"
• David Dobrik — 178 cm · 5'10"

Celebrity heights are based on widely reported public figures and can vary slightly between sources.