KSI is one of the most famous internet stars in the world. He started making videos in his bedroom and now sells out boxing arenas.
In this article, you will know KSI’s net worth, career earnings, career overview, stats, relationship, and more.
KSI’s Biography
| Fact | Details |
|---|---|
| Full Name | Olajide Olayinka Williams Olatunji |
| Date of Birth | June 19, 1993 |
| Age | 32 |
| Education | Berkhamsted School (Dropped out of Sixth Form) |
| Nationality | British |
| Height | 6 ft 0 in (183 cm) |
| Weight | ~180-190 lbs (Cruiserweight) |
| Turned Pro | 2019 |
| Net Worth | $100 Million (Estimated) |
| Salary/Career Earnings | $25 Million+ (Annually) |
| Wife/Partner | Unnamed Girlfriend (Relationship since 2017) |
| Instagram Profile | @ksi |
| Twitter Profile | @KSI |
Early Career
KSI began his career on YouTube in 2009. He used the name “KSIOlajideBT” and posted videos of himself playing the FIFA video game. His funny commentary and reactions made him very popular with young viewers.
He dropped out of Sixth Form college to focus on making videos full-time. His parents were angry at first because they wanted him to finish school. He eventually proved them wrong when his channel started making a lot of money.
He later formed a group called the Sidemen in 2013 with six other British YouTubers. They made challenges and gaming videos together.
This group helped him gain even more fans around the world. He also started making comedy skits and vlogs. His channel grew very fast, and he became a millionaire before he turned 21.
He used his online fame to start a music career and released rap songs. This early success set the foundation for his future business empire.
Professional Career
KSI moved from gaming to boxing and business. He fought fellow YouTuber Joe Weller in an amateur match in 2018 and won.
This fight started the trend of “influencer boxing”. He then fought American YouTuber Logan Paul twice. Their second fight was a professional match, and KSI won by split decision.
This victory made him a big name in the sports world. He created his own boxing promotion company called Misfits Boxing to host fights for other influencers.
He also launched a drink company called Prime Hydration with his former rival Logan Paul. The drink became famous instantly and sold millions of bottles. Fans waited in long lines just to buy it.
Outside of business, he released hit music albums like Dissimulation and All Over the Place. His songs reached the top of the UK charts.
He continues to make videos with the Sidemen while managing his many businesses. He proves that a YouTuber can succeed in many different industries.
KSI’s Net Worth Details
As of 2026, KSI’s net worth is approximately $100 million.
Fight Purses
| Opponent | Result | Estimated Purse (Earnings) |
|---|---|---|
| Logan Paul | Win | $900,000 (Guaranteed) + PPV Share ($3M+ Total) |
| Swarmz & Pineda | Win (x2) | ~$1 Million (Combined) |
| FaZe Temperrr | Win | ~$3 Million |
| Joe Fournier | No Contest | ~$3 Million |
| Tommy Fury | Loss | Estimated $3 Million – $5 Million+ |
Career Earnings
| Year | Estimated Net Worth | Main Income Sources |
|---|---|---|
| 2020 | £15–20 Million | YouTube, Sidemen, Music |
| 2022 | £30–35 Million | Boxing, Music Tours, Merchandise |
| 2024 | £50–60 Million | Prime Hydration, Misfits Boxing |
| 2026 | £75–85 Million ($100M) | Prime Equity, Brand Deals, Investments |
Endorsements
KSI makes a lot of money from brands and his own companies. His biggest success is Prime Hydration, which he owns with Logan Paul.
This company is worth billions, and his share is very valuable. He also owns a vodka brand called XIX Vodka and a restaurant chain called Sides. He has a cereal brand called Best Cereal.
In the past, he worked with companies like G Fuel and JD Sports. These deals add millions to his bank account every year.
Career Stats
| Stat Category | Record/Details |
|---|---|
| Professional Record | 4 Wins – 1 Loss – 1 No Contest |
| Knockouts (KOs) | 3 |
| Stance | Orthodox |
| Division | Cruiserweight |
| Total Pro Fights | 6 |
| Key Wins | Logan Paul, FaZe Temperrr, Swarmz, Luis Pineda |
| Key Losses | Tommy Fury |
FAQs
1. What does the abbreviation KSI represent?
The famous acronym stands for Knowledge, Strength, and Integrity. He chose this unique name during his early gaming career and uses these three core values to guide his professional decisions.
2. How much is Olatunji currently worth?
His total financial value stands at approximately $100 million. He built this massive fortune through his drink company, boxing events, music tours, and massive property investments.
3. Who is the girlfriend of the boxer?
He has been in a committed relationship with an unknown woman since 2017. He strictly keeps her identity secret from the public to maintain a normal and private life.
4. How tall is the content creator Olatunji?
The British internet celebrity stands exactly 6 feet tall, which equals 183 centimeters. He often uses this height advantage effectively when competing against shorter opponents in the boxing ring.
5. Who was the first professional opponent of KSI?
He fought Logan Paul in his professional boxing debut in November 2019. He won the match by split decision after six rounds of intense action at the Staples Center arena.
