Loading...
Loading...
Estimate your body fat percentage using the US Navy method
5 ft 10 in = 70 inches
Body Fat Percentage
Lean Mass
Fat Mass
FFMI
Visible Abs Target
To reach visible abs (~12% body fat), you would need to lose approximately 4.4 kg (10 lbs) of fat while maintaining muscle.
FFMI measures your muscular development relative to height. For natural athletes:
Sign in to save results and get AI advice based on YOUR actual data.
How the AI uses this data
"At 18% body fat with your current TDEE, a small deficit of 300 cal would likely yield lean mass preservation while losing ~0.5 lb/week."
Cross-references with TDEE for precision recommendations.