Can a Human Reach 78% Body Fat?
Is 78% body fat possible? What the science and historical records say
Last updated: February 8, 2026
Health Notice
No named individual has been formally measured at 70% body fat. This level is theoretically possible but represents extreme morbid obesity with severely limited mobility.

Shown: 60% body fat (closest visual reference)
What 78% Body Fat Looks Like
No named individual has been formally measured at 70%. Clinical obesity research suggests this level may exist in extreme cases but is not formally documented.
Frequently Asked Questions
Is 78% body fat possible?
78% body fat is possible in extreme cases of morbid obesity, though formal measurements at this level are extremely rare.
How much would someone weigh at 78% body fat?
A person with 150 lbs of lean mass at 78% body fat would weigh approximately 682 lbs.
What are the health risks at 78% body fat?
At 78% body fat, a person faces extreme cardiovascular strain, severe joint damage, type 2 diabetes, sleep apnea, organ stress, and dramatically reduced life expectancy.
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