Kayla Itsines Age and Birth Details
Kayla Itsines was born on 4 August 1991, making her 33 years old in 2025. She was born in Adelaide, South Australia, and later moved to the United States to grow her fitness brand. Her age is widely reported across major media and business profiles, including Forbes, which highlights her as a young entrepreneur who built a global fitness empire by her early thirties Forbes profile.
Her exact birthdate is 4 August 1991, and public records consistently list her age as 33 during 2025. This information is confirmed by multiple biographical sources and aligns with her career timeline, including the launch of her app and social media growth in her late twenties and early thirties.
Career Timeline and Business Milestones
Kayla Itsines rose to prominence through her Bikini Body Guides and the launch of the Sweat app, which became one of the most successful female-founded fitness platforms. By her early thirties, she had scaled Sweat into a multi-million dollar business with millions of users worldwide Sweat app growth.
Her career accelerated in the mid-2010s after viral social media content and the release of the Bikini Body Guide series. She later partnered with major investors and expanded Sweat to include trainer-created programs, positioning herself as a leading figure in digital fitness entrepreneurship before turning 35.
Net Worth and Public Profile
Estimates of Kayla Itsines net worth in 2025 range from 40 million to over 100 million dollars, depending on the source and valuation method. Her wealth is primarily tied to Sweat, social media monetization, brand partnerships, and digital product sales net worth estimates.
Public financial disclosures and media reports describe her as one of the highest-earning female fitness entrepreneurs. Her brand remains closely associated with accessible at-home workouts, and she continues to appear in top business and lifestyle lists focused on young self-made founders Forbes list.