Calculators
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Body Fat (7-Site)
Jackson-Pollock
More precise body fat assessment using 7 skinfold sites.
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Body Fat (9-Site)
For athletes with 5+ years of training
Most accurate for trained athletes and bodybuilders. Corrects the underestimation typical of Jackson-Pollock in muscular individuals.
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FFMI Calculator
Fat-free mass index
Objective measure of muscle development relative to height.
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Genetic Limit
Natural potential
Maximum natural muscle mass potential based on your frame size.
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Calorie Calculator
BMR & TDEE
Daily calorie needs based on your metabolism and activity level.
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Macro Calculator
Protein, Carbs, Fats
Optimal macronutrient split for your body composition and goals.
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Skinfold Guide
Measurement technique
Step-by-step instructions for accurate skinfold measurements with calipers.
Wrist & Ankle Guide
Frame size measurement
How to measure wrist and ankle circumference for frame size and genetic potential calculations.