Can a Human Reach 83% Body Fat?
Is 83% body fat possible? What the science and historical records say
Last updated: February 8, 2026
Health Notice
Robert Earl Hughes was estimated at approximately 80% body fat but was never measured with modern instruments. This level represents extreme, life-threatening obesity.

Shown: 60% body fat (closest visual reference)
What 83% Body Fat Looks Like
Only estimated in extreme historical cases. Robert Earl Hughes was estimated at approximately 80% but was never formally measured with modern instruments.
Frequently Asked Questions
Is 83% body fat possible?
83% 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 83% body fat?
A person with 150 lbs of lean mass at 83% body fat would weigh approximately 882 lbs.
What are the health risks at 83% body fat?
At 83% 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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